Commit graph

1108 commits

Author SHA1 Message Date
Jon Siwek
02c0b33b54 Merge remote-tracking branch 'origin/topic/jsiwek/gh-1264-ssh-host-key-fingerprints' into master
* origin/topic/jsiwek/gh-1264-ssh-host-key-fingerprints:
  Simply ssh/main.zeek by using "ssh_server_host_key" for fingerprinting
  Deprecate "ssh1_server_host_key" parameters *e* and *p*
  GH-1264: Implement "ssh_server_host_key" event
2020-11-16 11:22:37 -08:00
Brevet Vivien
3769ed6c66 [SSH] Handle SSH version 1.99
SSH can set in its identification a version 1.99 (SSH-1.99-xxx).
That means the client/server is compatible with SSHv1 and SSHv2.
So the version choice depends of the both side.

1.99 : 1.99 => 2.0
1.99 : 1.x  => 1.x
1.99 : 2.0  => 2.O

(see "Compatibility With Old SSH Versions" in RFC 4253)
2020-11-14 15:33:34 +01:00
Jon Siwek
45449dad72 Deprecate "ssh1_server_host_key" parameters *e* and *p*
They are named such that *e* is actually the modulus, not the exponent.
The replacement parameters are named *exponent* and *modulus* for
clarity.
2020-11-13 22:58:56 -08:00
Jon Siwek
bd40a97a78 GH-1264: Implement "ssh_server_host_key" event
This event provides host key fingerprints for both SSH1 and SSH2.
2020-11-13 22:58:56 -08:00
Robin Sommer
78fc5615a5 Merge remote-tracking branch 'origin/topic/christian/fix-extfunc-includes'
* origin/topic/christian/fix-extfunc-includes:
  Fix type clash fatal error with log filters that use $ext_func and $include/$exclude
2020-11-12 10:33:48 +00:00
Tim Wojtulewicz
a6a4b976ec Support for additional DNS RR Type: LOC[29], SSHFP[44], NSEC3PARAM[51], custom BIND9 signaling[65534] 2020-11-11 13:35:51 -07:00
Christian Kreibich
f97a33e14d Fix type clash fatal error with log filters that use $ext_func and $include/$exclude
The logging manager's Manager::TraverseRecord(), called when adding a
log filter to a stream, skipped any fields intoduced by a filter's
$ext_func when such fields weren't mentioned in a $include restriction
or mentioned in an $exclude restriction. This was inconsistent with
Manager::RecordToFilterVals, used when actually writing log entries,
which does include those values.

The result was that the record indices descent in Manager::RecordToFilterVals
expects to find only record values, when in fact only the record
provided by ext_func is present. This leads to type mismatches and
hard Zeek exits like this one:

1300475173.475401 fatal error in zeek/share/zeek//base/init-bare.zeek, line 4810: Val::CONVERTER (string/record) (zeek)

The fix makes ext_func's field additions decisive, meaning the
filter's include/exclude lists don't apply to it. If a user really
wants to override this, they can reset the filter's ext_func back to
our no-op default.

The included btest produces the above error when the fix is not present.
2020-11-10 18:13:16 -08:00
Jon Siwek
b7bd87d9cf GH-1252: rename files with colons for Windows compatibility
A short-term measure so that the Zeek source tree can simply exist on a
Windows filesystem.  For true support, the logic that decides/generates
the filename format will need to change.
2020-11-04 10:29:52 -08:00
Jon Siwek
5e164469f3 Merge remote-tracking branch 'origin/topic/vlad/gh-1225'
* origin/topic/vlad/gh-1225:
  Extract length as a uint8
  Change ICMP ND length to a uint16
2020-10-16 10:37:08 -07:00
Vlad Grigorescu
b5d11d1ace Change ICMP ND length to a uint16 2020-10-15 16:56:05 -05:00
Johanna Amann
e6805258dc dump-events: try to make baseline work on all systems 2020-10-15 15:35:51 +00:00
Johanna Amann
e95e9b8a5d Merge remote-tracking branch 'origin/master' into topic/johanna/GH-169 2020-10-15 15:31:23 +00:00
Johanna Amann
f4d9cf5f89 Introduce generate_all_events bif and add option to misc/dump-events
generate_all_events causes all events to be raised internally; this
makes it possible for dump_events to really capture all events (and not
just those that were handled).

Addresses GH-169
2020-10-12 16:21:18 +02:00
Vlad Grigorescu
c58cf69890 Add test for CaptureLoss::Too_Little_Traffic 2020-10-08 11:34:04 -05:00
Christian Kreibich
c662237499 Update testing/btest/scripts/base/frameworks/logging/hooks.zeek
Co-authored-by: Robin Sommer <robin@corelight.com>
2020-09-30 13:10:35 -07:00
Christian Kreibich
3d2c3284c7 Btests for log filter policy hooks 2020-09-30 13:10:35 -07:00
Jon Siwek
b065b6ed61 Merge remote-tracking branch 'origin/topic/robin/filtered-trace'
* origin/topic/robin/filtered-trace:
  Tweak find-filtered-trace to not flag traces if they have non-TCP traffic.
2020-09-25 15:12:04 -07:00
Jon Siwek
c1492942bb Merge branch 'add-dce-rpc-payloads' of https://github.com/ynadji/zeek
- Changed the new stub events to correctly check for existence of
  their associated handler before generating an event

- Added a test case for the new stub event

* 'add-dce-rpc-payloads' of https://github.com/ynadji/zeek:
  Add stub payload to dce_rpc_request and dce_rpc_response
2020-09-25 14:39:30 -07:00
Robin Sommer
1f6fc4415f Tweak find-filtered-trace to not flag traces if they have non-TCP
traffic.

Closes #160.
2020-09-25 11:29:44 +00:00
Peter Oettig
b2e6c9ac9a Initial implementation of Lower-Level analyzers 2020-09-23 11:13:25 -07:00
Jon Siwek
01d83c3204 Avoid race condition in control/id_value btest 2020-09-22 14:11:17 -07:00
Tim Wojtulewicz
6b93020c6f Merge remote-tracking branch 'origin/topic/jsiwek/gh-1164-fix-rst-conn-state'
* origin/topic/jsiwek/gh-1164-fix-rst-conn-state:
  GH-1164: Fix incorrect RSTOS0 conn_state determinations
2020-09-17 13:40:06 -07:00
Tim Wojtulewicz
3b641870dc Merge remote-tracking branch 'origin/topic/jsiwek/gh-1119-conn-removal-callbacks'
* origin/topic/jsiwek/gh-1119-conn-removal-callbacks:
  GH-1119: add base/protcols/conn/removal-hooks.zeek
  Avoid run-time cost of find-filtered-trace.zeek for live traffic
  Remove connection_successful and successful_connection_remove events
2020-09-17 13:16:19 -07:00
Jon Siwek
1046e45dba Improve notice/suppression-cluster btest to avoid race potential 2020-09-14 12:28:25 -07:00
Jon Siwek
a16bd47bf7 GH-1164: Fix incorrect RSTOS0 conn_state determinations
The RSTOS0 `conn_state` label is documented as "Originator sent a SYN
followed by a RST, never saw SYN-ACK from responder", but was previously
applied to cases where no originator SYN exists, like a single RST-only
packet.
2020-09-11 16:14:41 -07:00
Jon Siwek
05cf511f18 GH-1119: add base/protcols/conn/removal-hooks.zeek
This adds two new functions: `Conn::register_removal_hook()` and
`Conn::unregister_removal_hook()` for registering a hook function to be
called back during `connection_state_remove`.  The benefit of using hook
callback approach is better scalability: the overhead of unrelated
protocols having to dispatch no-op `connection_state_remove` handlers is
avoided.
2020-09-11 12:12:10 -07:00
Robin Sommer
0af57d12b2 Change HTTP's DPD signatures so that each side can trigger the analyzer on its own.
This is to avoid missing large sessions where a single side exceeds
the DPD buffer size. It comes with the trade-off that now the analyzer
can be triggered by anybody controlling one of the endpoints (instead
of both).

Test suite changes are minor, and nothing in "external".

Closes #343.
2020-09-08 07:33:36 +00:00
Johanna Amann
b8a47de26c Merge remote-tracking branch 'origin/topic/jsiwek/gh-926-ternary-type-checking'
* origin/topic/jsiwek/gh-926-ternary-type-checking:
  GH-926: Improve type-checking for ternary conditional operator

Fixes GH-926
2020-08-28 16:52:29 -07:00
Jon Siwek
dc9e175a61 Potentially improve intel/remove-item-cluster btest 2020-08-27 18:01:33 -07:00
Jon Siwek
99d9a3a48c Fix closing timestamp of rotated log files in supervised-cluster mode 2020-08-25 17:06:10 -07:00
Jon Siwek
8d3c07b62a Improve an Intel framework btest
Relying on non-atomic `cp` operation may not cooperate well with the
Input framework file re-reading logic.
2020-08-25 14:36:52 -07:00
Jon Siwek
3bc5309e9e GH-926: Improve type-checking for ternary conditional operator 2020-08-21 18:33:14 -07:00
Jon Siwek
038fb1c08e Improve stability of config/cluster_resend btest 2020-08-20 16:26:46 -07:00
FlyingWithJerome
28576d3a84 add edns-cookie testcase 2020-08-20 09:04:56 -04:00
FlyingWithJerome
84d609b333 add testcases 2020-08-20 09:04:56 -04:00
Johanna Amann
7f267d3e87 Merge remote-tracking branch 'origin/topic/jazoff/gh-1105'
* origin/topic/jazoff/gh-1105:
  Accept bracketed ipv6 addresses
2020-08-12 20:04:37 +00:00
Johanna Amann
123e45ca4e Merge remote-tracking branch 'origin/topic/seth/config-reader-musl-support'
* origin/topic/seth/config-reader-musl-support:
  Fix config reader regular expression for MUSL.
2020-08-12 19:50:43 +00:00
Tim Wojtulewicz
c6e7d14757 Merge remote-tracking branch 'origin/topic/timw/open-dict'
* origin/topic/timw/open-dict: (40 commits)
  Move Dict constants to detail namespace
  Add a few missing deprecation fixes
  Adjust Dict whitespace/style
  Adjust more btest timings
  Improve termination reliability/speed for brokerstore btests
  General btest cleanup
  Update NEWS about change in Dictionary implementation
  Improve Intel expire-item btest to be less time-sensitive
  Improve btests with unstable table/set output ordering
  Update doc submodule
  Adjust a few btests that were unstable due to time-sensitivity
  Fix DNS script deleting a table element while iterating
  Improve a brokerstore btest to filter out Broker connection messages
  Sort output of a few SumStats cluster tests
  Fix extract_first_email_addr() to really return the first email
  Add find_all_ordered() BIF
  Extend external test suite canonifier with set-sorting logic
  Update btests/baselines for OpenDict compat
  Fix new/malloc/delete/free mismatches in Dictionary code
  Add explanation for a Dict TODO item
  ...
2020-08-11 11:38:14 -07:00
Jon Siwek
ccf8e271a1 Adjust more btest timings 2020-08-11 11:26:22 -07:00
Jon Siwek
7967a5b0aa General btest cleanup
- Use `-b` most everywhere, it will save time.

- Start some intel tests upon the input file being fully read instead of
  at an arbitrary time.

- Improve termination condition for some sumstats/cluster tests.

- Filter uninteresting output from some supervisor tests.

- Test for `notice_policy.log` is no longer needed.
2020-08-11 11:26:22 -07:00
Jon Siwek
3ad306355f Improve Intel expire-item btest to be less time-sensitive 2020-08-11 11:26:21 -07:00
Jon Siwek
af2262ddff Improve btests with unstable table/set output ordering
Particularly, the final output order of a table/set is sensitive to
order of input/insertions and some tests were converting
std::unordered_{set,map} to Zeek table/set and iteration over those
standard containers may not always loop through elements in the same
order across all platforms.
2020-08-11 11:26:21 -07:00
Jon Siwek
48a243069c Adjust a few btests that were unstable due to time-sensitivity 2020-08-11 11:26:21 -07:00
Jon Siwek
b96b1593d8 Sort output of a few SumStats cluster tests
The order of $epoch_result() function calls among all keys within a
single epoch isn't consequential.
2020-08-11 11:26:21 -07:00
Jon Siwek
170752fa99 Fix extract_first_email_addr() to really return the first email
The use of find_all() in extract_email_addrs_vec() extracted occurrences
to an intermediate set and thus lost any sense of ordering.

This changes extract_email_addrs_vec() to use find_all_ordered() and
return all occurrences of email addresses found in the argument,
included duplicates, with their order of occurrence preserved.
2020-08-11 11:26:21 -07:00
Jon Siwek
94aee910d5 Update btests/baselines for OpenDict compat
Haven't checked different build configurations yet, but all except
a few SumStats tests are stable for me now.  The external tests
are also completely failing, but haven't looked at those yet.
2020-08-11 11:26:21 -07:00
Tim Wojtulewicz
7496cf14c7 Extend the timeouts on a few intel tests, update baselines 2020-08-09 21:13:12 -07:00
Justin Azoff
211789bbb3 Accept bracketed ipv6 addresses 2020-08-05 17:18:36 -04:00
Jon Siwek
363b167bd2 GH-1100: Fix reported body-length of HTTP messages w/ sub-entities
The body-lengths of sub-entities, like multipart messages, got counted
twice by mistake: once upon the end of the sub-entity and then again
upon the end of the top-level entity that contains all sub-entities.
The size of just the top-level entity is the correct one to use.
2020-08-04 14:21:03 -07:00
Seth Hall
7f4914c219 Fix config reader regular expression for MUSL.
It was not dealing with multiple spaces between the key and the value
with MUSL correctly. This change ensures that if a value exists, that it
begins and ends with a non-blank character.
2020-08-04 12:35:20 -04:00