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271 lines
8.6 KiB
ReStructuredText
271 lines
8.6 KiB
ReStructuredText
:tocdepth: 3
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base/protocols/sip/main.zeek
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============================
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.. zeek:namespace:: SIP
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Implements base functionality for SIP analysis. The logging model is
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to log request/response pairs and all relevant metadata together in
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a single record.
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:Namespace: SIP
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:Imports: :doc:`base/protocols/conn/removal-hooks.zeek </scripts/base/protocols/conn/removal-hooks.zeek>`, :doc:`base/utils/files.zeek </scripts/base/utils/files.zeek>`, :doc:`base/utils/numbers.zeek </scripts/base/utils/numbers.zeek>`
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Summary
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~~~~~~~
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Runtime Options
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###############
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================================================================= ======================
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:zeek:id:`SIP::sip_methods`: :zeek:type:`set` :zeek:attr:`&redef` A list of SIP methods.
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================================================================= ======================
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Types
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#####
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============================================ =========================================================
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:zeek:type:`SIP::Info`: :zeek:type:`record` The record type which contains the fields of the SIP log.
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:zeek:type:`SIP::State`: :zeek:type:`record`
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============================================ =========================================================
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Redefinitions
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#############
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==================================================================== ===========================================================
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:zeek:type:`Log::ID`: :zeek:type:`enum`
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* :zeek:enum:`SIP::LOG`
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:zeek:type:`connection`: :zeek:type:`record`
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:New Fields: :zeek:type:`connection`
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sip: :zeek:type:`SIP::Info` :zeek:attr:`&optional`
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sip_state: :zeek:type:`SIP::State` :zeek:attr:`&optional`
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:zeek:id:`likely_server_ports`: :zeek:type:`set` :zeek:attr:`&redef`
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==================================================================== ===========================================================
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Events
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######
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=========================================== ===================================================================
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:zeek:id:`SIP::log_sip`: :zeek:type:`event` Event that can be handled to access the SIP record as it is sent on
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to the logging framework.
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=========================================== ===================================================================
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Hooks
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#####
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============================================================ ======================
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:zeek:id:`SIP::finalize_sip`: :zeek:type:`Conn::RemovalHook` SIP finalization hook.
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:zeek:id:`SIP::log_policy`: :zeek:type:`Log::PolicyHook`
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============================================================ ======================
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Detailed Interface
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~~~~~~~~~~~~~~~~~~
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Runtime Options
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###############
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.. zeek:id:: SIP::sip_methods
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:source-code: base/protocols/sip/main.zeek 86 86
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:Type: :zeek:type:`set` [:zeek:type:`string`]
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:Attributes: :zeek:attr:`&redef`
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:Default:
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::
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{
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"BYE",
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"SUBSCRIBE",
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"NOTIFY",
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"REGISTER",
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"INVITE",
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"CANCEL",
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"OPTIONS",
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"ACK"
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}
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A list of SIP methods. Other methods will generate a weird. Note
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that the SIP analyzer will only accept methods consisting solely
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of letters ``[A-Za-z]``.
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Types
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#####
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.. zeek:type:: SIP::Info
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:source-code: base/protocols/sip/main.zeek 17 72
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:Type: :zeek:type:`record`
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.. zeek:field:: ts :zeek:type:`time` :zeek:attr:`&log`
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Timestamp for when the request happened.
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.. zeek:field:: uid :zeek:type:`string` :zeek:attr:`&log`
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Unique ID for the connection.
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.. zeek:field:: id :zeek:type:`conn_id` :zeek:attr:`&log`
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The connection's 4-tuple of endpoint addresses/ports.
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.. zeek:field:: trans_depth :zeek:type:`count` :zeek:attr:`&log`
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Represents the pipelined depth into the connection of this
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request/response transaction.
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.. zeek:field:: method :zeek:type:`string` :zeek:attr:`&log` :zeek:attr:`&optional`
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Verb used in the SIP request (INVITE, REGISTER etc.).
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.. zeek:field:: uri :zeek:type:`string` :zeek:attr:`&log` :zeek:attr:`&optional`
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URI used in the request.
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.. zeek:field:: date :zeek:type:`string` :zeek:attr:`&log` :zeek:attr:`&optional`
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Contents of the Date: header from the client
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.. zeek:field:: request_from :zeek:type:`string` :zeek:attr:`&log` :zeek:attr:`&optional`
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Contents of the request From: header
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Note: The tag= value that's usually appended to the sender
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is stripped off and not logged.
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.. zeek:field:: request_to :zeek:type:`string` :zeek:attr:`&log` :zeek:attr:`&optional`
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Contents of the To: header
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.. zeek:field:: response_from :zeek:type:`string` :zeek:attr:`&log` :zeek:attr:`&optional`
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Contents of the response From: header
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Note: The ``tag=`` value that's usually appended to the sender
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is stripped off and not logged.
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.. zeek:field:: response_to :zeek:type:`string` :zeek:attr:`&log` :zeek:attr:`&optional`
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Contents of the response To: header
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.. zeek:field:: reply_to :zeek:type:`string` :zeek:attr:`&log` :zeek:attr:`&optional`
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Contents of the Reply-To: header
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.. zeek:field:: call_id :zeek:type:`string` :zeek:attr:`&log` :zeek:attr:`&optional`
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Contents of the Call-ID: header from the client
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.. zeek:field:: seq :zeek:type:`string` :zeek:attr:`&log` :zeek:attr:`&optional`
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Contents of the CSeq: header from the client
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.. zeek:field:: subject :zeek:type:`string` :zeek:attr:`&log` :zeek:attr:`&optional`
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Contents of the Subject: header from the client
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.. zeek:field:: request_path :zeek:type:`vector` of :zeek:type:`string` :zeek:attr:`&log` :zeek:attr:`&optional`
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The client message transmission path, as extracted from the headers.
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.. zeek:field:: response_path :zeek:type:`vector` of :zeek:type:`string` :zeek:attr:`&log` :zeek:attr:`&optional`
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The server message transmission path, as extracted from the headers.
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.. zeek:field:: user_agent :zeek:type:`string` :zeek:attr:`&log` :zeek:attr:`&optional`
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Contents of the User-Agent: header from the client
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.. zeek:field:: status_code :zeek:type:`count` :zeek:attr:`&log` :zeek:attr:`&optional`
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Status code returned by the server.
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.. zeek:field:: status_msg :zeek:type:`string` :zeek:attr:`&log` :zeek:attr:`&optional`
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Status message returned by the server.
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.. zeek:field:: warning :zeek:type:`string` :zeek:attr:`&log` :zeek:attr:`&optional`
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Contents of the Warning: header
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.. zeek:field:: request_body_len :zeek:type:`count` :zeek:attr:`&log` :zeek:attr:`&optional`
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Contents of the Content-Length: header from the client
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.. zeek:field:: response_body_len :zeek:type:`count` :zeek:attr:`&log` :zeek:attr:`&optional`
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Contents of the Content-Length: header from the server
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.. zeek:field:: content_type :zeek:type:`string` :zeek:attr:`&log` :zeek:attr:`&optional`
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Contents of the Content-Type: header from the server
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The record type which contains the fields of the SIP log.
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.. zeek:type:: SIP::State
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:source-code: base/protocols/sip/main.zeek 74 81
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:Type: :zeek:type:`record`
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.. zeek:field:: pending :zeek:type:`table` [:zeek:type:`count`] of :zeek:type:`SIP::Info`
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Pending requests.
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.. zeek:field:: current_request :zeek:type:`count` :zeek:attr:`&default` = ``0`` :zeek:attr:`&optional`
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Current request in the pending queue.
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.. zeek:field:: current_response :zeek:type:`count` :zeek:attr:`&default` = ``0`` :zeek:attr:`&optional`
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Current response in the pending queue.
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Events
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######
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.. zeek:id:: SIP::log_sip
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:source-code: base/protocols/sip/main.zeek 92 92
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:Type: :zeek:type:`event` (rec: :zeek:type:`SIP::Info`)
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Event that can be handled to access the SIP record as it is sent on
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to the logging framework.
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Hooks
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#####
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.. zeek:id:: SIP::finalize_sip
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:source-code: base/protocols/sip/main.zeek 300 309
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:Type: :zeek:type:`Conn::RemovalHook`
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SIP finalization hook. Remaining SIP info may get logged when it's called.
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.. zeek:id:: SIP::log_policy
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:source-code: base/protocols/sip/main.zeek 14 14
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:Type: :zeek:type:`Log::PolicyHook`
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