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Add SNMP datagram parsing support.

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This supports parsing of SNMPv1 (RFC 1157), SNMPv2 (RFC 1901/3416), and
SNMPv2 (RFC 3412).  An event is raised for each SNMP PDU type, though
there's not currently any event handlers for them and not a default
snmp.log either.  However, simple presence of SNMP is currently visible
now in conn.log service field and known_services.log.
This commit is contained in:
Jon Siwek 2014-02-18 14:41:32 -06:00
parent ba81aa4387
commit a0c06a957b
38 changed files with 2345 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

34
testing/btest/Baseline/scripts.base.protocols.snmp.v3/out1 Normal file
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snmp_get_request
[orig_h=127.0.0.1, orig_p=54211/udp, resp_h=127.0.0.1, resp_p=161/udp]
is_orig: T
[id=544943986, max_size=16384, flags=4, auth_flag=F, priv_flag=F, reportable_flag=T, security_model=3, security_params=0^N^D\0^B^A*^B^A*^D\0^D\0^D\0, pdu_context=[engine_id=, name=]]
request_id: 544943986
error_stat: 0
error_idx: 0
snmp_report
[orig_h=127.0.0.1, orig_p=54211/udp, resp_h=127.0.0.1, resp_p=161/udp]
is_orig: F
[id=544943986, max_size=16384, flags=0, auth_flag=F, priv_flag=F, reportable_flag=F, security_model=3, security_params=0\x1b^D^M\x80\0\x1f\x88\x80\xa9I\x8e^:,0C^B^A\xdd^B^A\xdd^D\0^D\0^D\0, pdu_context=[engine_id=\x80\0\x1f\x88\x80\xa9I\x8e^:,0C, name=]]
request_id: 544943986
error_stat: 0
error_idx: 0
oid: 1.3.6.1.6.3.15.1.1.0
value (tag=0x41): 3
snmp_get_request
[orig_h=127.0.0.1, orig_p=54211/udp, resp_h=127.0.0.1, resp_p=161/udp]
is_orig: T
[id=544943986, max_size=16384, flags=4, auth_flag=F, priv_flag=F, reportable_flag=T, security_model=3, security_params=0/^D^M\x80\0\x1f\x88\x80\xa9I\x8e^:,0C^B^A\xdd^B^A\xdd^D^Husername^D^L\0\0\0\0\0\0\0\0\0\0\0\0^D\0, pdu_context=[engine_id=\x80\0\x1f\x88\x80\xa9I\x8e^:,0C, name=]]
request_id: 544943986
error_stat: 0
error_idx: 0
oid: 1.3.6.1.2.1.1.6.0
value (tag=0x05): <unspecified>
snmp_response
[orig_h=127.0.0.1, orig_p=54211/udp, resp_h=127.0.0.1, resp_p=161/udp]
is_orig: F
[id=544943986, max_size=16384, flags=0, auth_flag=F, priv_flag=F, reportable_flag=F, security_model=3, security_params=0#^D^M\x80\0\x1f\x88\x80\xa9I\x8e^:,0C^B^A\xdd^B^A\xdd^D^Husername^D\0^D\0, pdu_context=[engine_id=\x80\0\x1f\x88\x80\xa9I\x8e^:,0C, name=]]
request_id: 544943986
error_stat: 0
error_idx: 0
oid: 1.3.6.1.2.1.1.6.0
value (tag=0x04):