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83 Commits

Author SHA1 Message Date
Leonardo Di Donato
0a449afc3e docs: fix release notes for 0.26.0 (previous)
Co-authored-by: Lorenzo Fontana <lo@linux.com>
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
2020-10-01 14:19:48 +02:00
Leonardo Di Donato
e06e89b3d0 docs: CHANGELOG for 0.26.1
Co-authored-by: Lorenzo Fontana <lo@linux.com>
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
2020-10-01 14:19:48 +02:00
Leo Di Donato
1500e74844 docs: release candency
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>

Co-authored-by: Leonardo Grasso <me@leonardograsso.com>
2020-10-01 13:41:55 +02:00
Leonardo Di Donato
db9fe762a4 docs: notify the community the Falco releases happen every two months starting from today
Co-authored-by: Lorenzo Fontana <lo@linux.com>
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
2020-10-01 13:41:55 +02:00
Leo Di Donato
2fd9ad1433 docs: add download/images table to release corpus template
Co-authored-by: Lorenzo Fontana <lo@linux.com>
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
2020-10-01 13:41:55 +02:00
Mark Stemm
879bf37ffd rule(Write below root): require proc.name
Like other rules that rely on a process name for exceptions, don't
trigger an event if the process name is missing e.g. "<NA>".

Signed-off-by: Mark Stemm <mark.stemm@gmail.com>
2020-10-01 11:33:45 +02:00
Mark Stemm
fc4355dd15 rule(Delete....shell history): Skip docker progs
Also ignore docker programs which would prevent cases where the path is
expressed within the container filesystem (/.bash_history) vs host
filesystem (/var/lib/docker/overlay/.../.bash_history).

Signed-off-by: Mark Stemm <mark.stemm@gmail.com>
2020-10-01 11:33:45 +02:00
Mark Stemm
1c7fca95e4 rule(Delete or rename shell history):fix warning
Move the "and not" checks to the end of the rule so all event type
checks are at the front.

Also break into 3 macros to make the rule easier to read.

This fixes https://github.com/falcosecurity/falco/issues/1418.

Signed-off-by: Mark Stemm <mark.stemm@gmail.com>
2020-10-01 11:33:45 +02:00
Radu Andries
bc1aeaceb2 feat(falco): Provide a parameter for loading lua files from an alternate path
This will be used by the static build to load lua files from
alternate directories that are not tied to the compile flags

Signed-off-by: Radu Andries <radu.andries@sysdig.com>
2020-09-29 18:05:10 +02:00
Lorenzo Fontana
6bcc11aa47 build: standalone static analysis step
Co-Authored-By: Leonardo Di Donato <leodidonato@gmail.com>
Signed-off-by: Lorenzo Fontana <fontanalorenz@gmail.com>
2020-09-29 14:44:28 +02:00
Lorenzo Fontana
bbf044060a build: quality, install ca-certificates and attach only after that
Signed-off-by: Lorenzo Fontana <fontanalorenz@gmail.com>
2020-09-29 14:44:28 +02:00
Lorenzo Fontana
4f86e3e68b build: static code analysis CI reports
Signed-off-by: Lorenzo Fontana <fontanalorenz@gmail.com>
2020-09-29 14:44:28 +02:00
Lorenzo Fontana
a51c4fc903 build: static code analysis structure and cppcheck
Signed-off-by: Lorenzo Fontana <fontanalorenz@gmail.com>
2020-09-29 14:44:28 +02:00
Leo Di Donato
271e23ce97 docs(brand): documenting Falco color scheme
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
2020-09-28 15:15:36 +02:00
Kris Nóva
404762bd34 feat(release): Updating notes according to PR
Signed-off-by: Kris Nóva <kris@nivenly.com>
2020-09-25 08:18:48 -07:00
Kris Nóva
20f5e5d35a feat(release): Release 0.26
Cutting release for 0.26.0 and starting 0.27.0

Signed-off-by: Kris Nóva <kris@nivenly.com>
2020-09-25 08:18:48 -07:00
Mark Stemm
33793d233b Rule(Disallowed K8s User): quote colons
It turns out if you read this rules file with falco versions 0.24.0 and
earlier, it can't parse the bare string containing colons:

(Ignore the misleading error context, that's a different problem):

```
Thu Sep 10 10:31:23 2020: Falco initialized with configuration file
/etc/falco/falco.yaml
Thu Sep 10 10:31:23 2020: Loading rules from file
/tmp/k8s_audit_rules.yaml:
Thu Sep 10 10:31:23 2020: Runtime error: found unexpected ':'
---
  source: k8s_audit
    tags: [k8s]
    # In a local/user rules file, you could override this macro to
```

I think the change in 0.25.0 to use a bundled libyaml fixed the problem,
as it also upgraded libyaml to a version that fixed
https://github.com/yaml/libyaml/pull/104.

Work around the problem with earlier falco releases by quoting the colon.

Signed-off-by: Mark Stemm <mark.stemm@gmail.com>
2020-09-23 17:48:36 +02:00
Mark Stemm
331b2971be rule(Delete or rename shell history):skip dockerfs
In some cases, when removing a container, dockerd will itself remove the
entire overlay filesystem, including a shell history file:

---
Shell history had been deleted or renamed (user=root type=unlinkat
command=dockerd -H fd://
... name=/var/lib/docker/overlay2/.../root/.bash_history ..
---

To avoid these FPs, skip paths starting with /var/lib/docker.

Signed-off-by: Mark Stemm <mark.stemm@gmail.com>
2020-09-23 17:48:36 +02:00
Leonardo Grasso
558b18ea67 build: update the driver version to 2aa88dc
Signed-off-by: Leonardo Grasso <me@leonardograsso.com>
2020-09-18 17:27:45 +02:00
Leonardo Grasso
bbfb27777b build: remove macrodefs about time (musl build)
See https://github.com/draios/sysdig/pull/1684

Signed-off-by: Leonardo Grasso <me@leonardograsso.com>
2020-09-18 17:27:45 +02:00
Hiroki Suezawa
5b926386a8 rule(macro consider_packet_socket_communication): change a value to always_true
Signed-off-by: Hiroki Suezawa <suezawa@gmail.com>
2020-09-18 09:47:10 +02:00
Lorenzo Fontana
1efa4d3af0 update(scripts): driver loader cycle available gcc versions
The falco-driver-loader script calls dkms to compile the kernel
module using the default gcc.
In some systems, and in the falcosecurity/falco container image,
the defult gcc is not the right one to compile it.

The script will try to compile the module by cycling trough all the available GCCs
starting from the default one until the module is compiled the first
time.

The default gcc is the highest priority while trying.
Newer GCCs have the priority over older GCCs.

Co-Authored-By: Leonardo Di Donato <leodidonato@gmail.com>
Signed-off-by: Lorenzo Fontana <fontanalorenz@gmail.com>
2020-09-16 18:09:09 +02:00
Leonardo Di Donato
8611af4373 chore(.circleci): re-enable cleanup of falco development packages only when on the master branch
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
2020-09-14 11:09:09 +02:00
Leonardo Di Donato
b6fd43f4db update(.circleci): update CI references to cleanup script
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
2020-09-14 11:09:09 +02:00
Leonardo Di Donato
2971d0de7f fix(scripts): move cleanup (falco development packages) into scripts dir
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
2020-09-14 11:09:09 +02:00
Leonardo Grasso
d2dbe64723 update: bump Falco engine version to 7
Signed-off-by: Leonardo Grasso <me@leonardograsso.com>
2020-09-13 22:54:00 +02:00
Leonardo Grasso
66309e3a1f build(.circleci): fix static build path
Signed-off-by: Leonardo Grasso <me@leonardograsso.com>
2020-09-11 14:52:30 +02:00
bgeesaman
cb2439d757 Append Slash to Sensitive Mount Path startswith
Make L#1932 equivalent to L#1898

Signed-off-by: Brad Geesaman <bradgeesaman+github@gmail.com>
2020-09-11 14:50:28 +02:00
Leonardo Di Donato
f02a998526 build: update the driver version to 73554b9
Co-authored-by: Leonardo Grasso <me@leonardograsso.com>
Co-authored-by: Lorenzo Fontana <lo@linux.com>
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
2020-09-10 15:01:07 +02:00
Leonardo Di Donato
d1ee7d3d79 chore(.circleci): re-enable the usual falco-tester docker image for CI
Co-authored-by: Leonardo Grasso <me@leonardograsso.com>
Co-authored-by: Lorenzo Fontana <lo@linux.com>
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
2020-09-10 15:01:07 +02:00
Leonardo Di Donato
0586a7d33c update(docker/no-driver): use the statically linked falco tarball
Co-authored-by: Leonardo Grasso <me@leonardograsso.com>
Co-authored-by: Lorenzo Fontana <lo@linux.com>
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
2020-09-10 15:01:07 +02:00
Leonardo Di Donato
e0f0db96d3 build(rules): fix rules etc dir
Co-authored-by: Leonardo Grasso <me@leonardograsso.com>
Co-authored-by: Lorenzo Fontana <lo@linux.com>
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
2020-09-10 15:01:07 +02:00
Leonardo Di Donato
045cb4a45d build(.circleci): specify falco etc directory for musl build
Co-authored-by: Leonardo Grasso <me@leonardograsso.com>
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
2020-09-10 15:01:07 +02:00
Leonardo Di Donato
4319f16fa6 build: publish musl artifacts
Co-authored-by: Leonardo Grasso <me@leonardograsso.com>
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
2020-09-10 15:01:07 +02:00
Leonardo Di Donato
c2603c0130 new(.circleci): test the minimal build
Co-authored-by: Leonardo Grasso <me@leonardograsso.com>
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
2020-09-10 15:01:07 +02:00
Leonardo Di Donato
5316e39379 chore(cmake/modules): correct logging for string-view-lite (always) bundled header dependency
Co-authored-by: Leonardo Grasso <me@leonardograsso.com>
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
2020-09-10 15:01:07 +02:00
Leonardo Di Donato
9a29203a4d build: engine fields checksum only when not building the minimal Falco
Co-authored-by: Leonardo Grasso <me@leonardograsso.com>
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
2020-09-10 15:01:07 +02:00
Leonardo Di Donato
7e28e305a6 deps: update driver version
Co-authored-by: Leonardo Grasso <me@leonardograsso.com>
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
2020-09-10 15:01:07 +02:00
Leonardo Grasso
ec2ccf4d1c build: fix cares include
Co-Authored-By: Lorenzo Fontana <fontanalorenz@gmail.com>
Co-Authored-By: Leonardo Di Donato <leodidonato@gmail.com>
Signed-off-by: Leonardo Grasso <me@leonardograsso.com>
2020-09-10 15:01:07 +02:00
Leonardo Grasso
d2ecc52253 build(.circleci): fix build/musl when releasing
Co-Authored-By: Lorenzo Fontana <fontanalorenz@gmail.com>
Signed-off-by: Leonardo Grasso <me@leonardograsso.com>
2020-09-10 15:01:07 +02:00
Leonardo Grasso
be7ba9fea4 build: fix cares include path
Co-Authored-By: Lorenzo Fontana <fontanalorenz@gmail.com>
Signed-off-by: Leonardo Grasso <me@leonardograsso.com>
2020-09-10 15:01:07 +02:00
Leonardo Grasso
2141580a10 update(userspace/engine): bump driver version to 9c7755ae7aaa221a3d17c1d98911c4c2cbdbd21317559d744e53bf63a2677a4b
Co-Authored-By: Lorenzo Fontana <fontanalorenz@gmail.com>
Signed-off-by: Leonardo Grasso <me@leonardograsso.com>
2020-09-10 15:01:07 +02:00
Leonardo Grasso
1e64f0a5c9 build(.circleci): publish static tgz on release
Signed-off-by: Leonardo Grasso <me@leonardograsso.com>
2020-09-10 15:01:07 +02:00
Lorenzo Fontana
7e9ca5c540 build: run_regression_tests.sh skip packages tests if asked
Co-Authored-By: Leonardo Grasso <me@leonardograsso.com>
Signed-off-by: Lorenzo Fontana <fontanalorenz@gmail.com>
2020-09-10 15:01:07 +02:00
Lorenzo Fontana
98a5813bd7 build: allow the tester command to retrieve the source and build env
variables

Co-Authored-By: Leonardo Grasso <me@leonardograsso.com>
Signed-off-by: Lorenzo Fontana <fontanalorenz@gmail.com>
2020-09-10 15:01:07 +02:00
Lorenzo Fontana
492fe0c372 build: circleci musl build
Co-Authored-By: Leonardo Grasso <me@leonardograsso.com>
Signed-off-by: Lorenzo Fontana <fontanalorenz@gmail.com>
2020-09-10 15:01:07 +02:00
Lorenzo Fontana
00d930199f build: strip userspace/falco/falco in release when building with musl
optimizations

Co-Authored-By: Leonardo Grasso <me@leonardograsso.com>
Signed-off-by: Lorenzo Fontana <fontanalorenz@gmail.com>
2020-09-10 15:01:07 +02:00
Lorenzo Fontana
f2bc92ac58 build: allow configurable cpack targets
Co-Authored-By: Leonardo Grasso <me@leonardograsso.com>
Signed-off-by: Lorenzo Fontana <fontanalorenz@gmail.com>
2020-09-10 15:01:07 +02:00
Leonardo Grasso
d5f752de7a build: add MUSL_OPTIMIZED_BUILD option
This option is now decoupled from `MINIMAL_BUILD`

Co-Authored-By: Lorenzo Fontana <fontanalorenz@gmail.com>
Signed-off-by: Leonardo Grasso <me@leonardograsso.com>
2020-09-10 15:01:07 +02:00
Leonardo Grasso
109efc2799 chore(cmake/modules): refine sysdig cmake for minimal build
Signed-off-by: Leonardo Grasso <me@leonardograsso.com>
2020-09-10 15:01:07 +02:00
Leonardo Grasso
c46dbc7f11 build: remove gRPC, openssl, curl from minimal build
Signed-off-by: Leonardo Grasso <me@leonardograsso.com>
2020-09-10 15:01:07 +02:00
Leonardo Grasso
b7e75095e6 build(userspace): avoid openssl dep for engine fields verification
Signed-off-by: Leonardo Grasso <me@leonardograsso.com>
2020-09-10 15:01:07 +02:00
Leonardo Grasso
68f937f5e8 build: disallow k8s audit trace file when minimal build
Signed-off-by: Leonardo Grasso <me@leonardograsso.com>
2020-09-10 15:01:07 +02:00
Leonardo Grasso
0c1ed551ca build: remove civetweb when minimal build
Signed-off-by: Leonardo Grasso <me@leonardograsso.com>
2020-09-10 15:01:07 +02:00
Leonardo Grasso
bdd14604d4 build: remove webserver from minimal build
Co-Authored-By: Lorenzo Fontana <fontanalorenz@gmail.com>
Signed-off-by: Leonardo Grasso <me@leonardograsso.com>
2020-09-10 15:01:07 +02:00
Leonardo Grasso
9d88bfd0d4 build: add MINIMAL_BUILD option
Co-Authored-By: Lorenzo Fontana <fontanalorenz@gmail.com>
Signed-off-by: Leonardo Grasso <me@leonardograsso.com>
2020-09-10 15:01:07 +02:00
Leo Di Donato
361fec452e chore(.circleci): typos
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
2020-09-08 11:07:48 +02:00
Leonardo Di Donato
cd449cb89b update(.circleci): cleanup/packages-dev job
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
2020-09-08 11:07:48 +02:00
Leonardo Di Donato
2880bb1f23 build(.circleci): script for automatic cleanup of Falco development releases
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
2020-09-08 11:07:48 +02:00
Leo Di Donato
d25e07381e update(proposals): clarify that prebuilding drivers is on a best-effort basis
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
Co-authored-by: Leonardo Grasso <me@leonardograsso.com>
2020-09-07 11:39:54 +02:00
Leonardo Di Donato
481eedb80e update(proposals): artifacts cleanup (prebuilt drivers part)
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
2020-09-07 11:39:54 +02:00
Leonardo Di Donato
f077f2887f new(proposals): artifacts cleanup (packages part)
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
2020-09-07 11:39:54 +02:00
Leonardo Di Donato
d80ffeae5b update(proposals): artifacts storage proposal
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
2020-09-07 11:39:54 +02:00
Leonardo Di Donato
2d24df1ce2 new(proposals): initial document about SoA of artifacts storage
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
2020-09-07 11:39:54 +02:00
Mark Stemm
f32bb84851 Start versioning trace files
Start versioning trace files with a unique date. Any time we need to
create new trace files, change TRACE_FILES_VERSION in this script and
copy to traces-{positive,negative,info}-<VERSION>.zip.

The zip file should unzip to traces-{positive,negative,info}, without
any version.

Signed-off-by: Mark Stemm <mark.stemm@gmail.com>
2020-09-03 18:56:51 +02:00
Mark Stemm
7666bc3f3a rule(System ClusterRole Modified/Deleted): + role
Add system:managed-certificate-controller as a system role that can be
modified. Can be changed as a part of upgrades.

Signed-off-by: Mark Stemm <mark.stemm@gmail.com>
2020-09-03 18:56:51 +02:00
Mark Stemm
08d38d8269 Rule(Pod Created in Kube Namespace): add images
Add several images seen in GKE environments that can run in the
kube-system namespace.

Also change the names of the lists to be more specific. The old names
are retained but are kept around for backwards compatibility.

Signed-off-by: Mark Stemm <mark.stemm@gmail.com>
2020-09-03 18:56:51 +02:00
Mark Stemm
3fd4464dee rule(Disallowed K8s User): add known users
Seen when using K8s cluster autoscaling or addon manager.

Signed-off-by: Mark Stemm <mark.stemm@gmail.com>
2020-09-03 18:56:51 +02:00
Mark Stemm
702d989cd0 rule(Create HostNetwork Pod): add images
Add a set of images known to run in the host network. Mostly related to
GKE, sometimes plus metrics collection.

Signed-off-by: Mark Stemm <mark.stemm@gmail.com>
2020-09-03 18:56:51 +02:00
Mark Stemm
de9c8720c0 rule(Launch Privileged Container) add images
Most of these are seen in GKE and are uses for core routing/metrics
collection.

Signed-off-by: Mark Stemm <mark.stemm@gmail.com>
2020-09-03 18:56:51 +02:00
Mark Stemm
534cb8e59f rule(Launch Privileged Container): sort/reorg list
Sort the items in the list falco_privileged_images alphabetically
and also separate them into individual lines. Make it easier to note
changes to the entries in the list using git blame.

Signed-off-by: Mark Stemm <mark.stemm@gmail.com>
2020-09-03 18:56:51 +02:00
Mark Stemm
9b3adc1373 rule(Read sensitive file untrusted):google_oslogin
Related to https://github.com/GoogleCloudPlatform/guest-oslogin, full
cmdline is google_oslogin_control.

Signed-off-by: Mark Stemm <mark.stemm@gmail.com>
2020-09-03 18:56:51 +02:00
Mark Stemm
fb5e13c694 rule(Write below root): add mysqlsh
Let mysqlsh write below /root/.mysqlsh.

Signed-off-by: Mark Stemm <mark.stemm@gmail.com>
2020-09-03 18:56:51 +02:00
Mark Stemm
7effc02c60 rule(Write below etc): add calco exceptions
Add several calico images and command line programs that end up writing
below /etc/calico.

Signed-off-by: Mark Stemm <mark.stemm@gmail.com>
2020-09-03 18:56:51 +02:00
Mark Stemm
7ae0ce1936 rule(Update Package Repository): restrict files
Previously any write to a file called sources.list would match the
access_repositories condition, even a file /usr/tmp/..../sources.list.

Change the macro so the files in repository_files must be somewhere
below any of repository_directories.

Also allow programs spawned by package management programs to change
these files, using package_mgmt_ancestor_procs.

Signed-off-by: Mark Stemm <mark.stemm@gmail.com>
2020-09-03 18:56:51 +02:00
Mark Stemm
891965375d rule(Read sensitive file untrusted): linux-bench
Let programs spawned by linux-bench (CIS Linux Benchmark program) read
/etc/shadow. Tests in the benchmark check for permissions of the file
and accounts in the contents of the file.

Signed-off-by: Mark Stemm <mark.stemm@gmail.com>
2020-09-03 18:56:51 +02:00
Mark Stemm
7a4d790458 rule(Change thread namespace): Require proc name
In some cases, dropped events around the time a new container is started
can result in missing the exec/clone for a process that does a setns to
enter the namespace of a container. Here's an example from an oss
capture:

```

282273 09:01:22.098095673 30 runc:[0:PARENT] (168555) < setns res=0
282283 09:01:22.098138869 30 runc:[0:PARENT] (168555) < setns res=0
282295 09:01:22.098179685 30 runc:[0:PARENT] (168555) < setns res=0
517284 09:01:30.128723777 13 <NA> (168909) < setns res=0
517337 09:01:30.129054963 13 <NA> (168909) < setns res=0
517451 09:01:30.129560037 2 <NA> (168890) < setns res=0
524597 09:01:30.162741004 19 <NA> (168890) < setns res=0
527433 09:01:30.179786170 18 runc:[0:PARENT] (168927) < setns res=0
527448 09:01:30.179852428 18 runc:[0:PARENT] (168927) < setns res=0
535566 09:01:30.232420372 25 nsenter (168938) < setns res=0
537412 09:01:30.246200357 0 nsenter (168941) < setns res=0
554163 09:01:30.347158783 17 nsenter (168950) < setns res=0
659908 09:01:31.064622960 12 runc:[0:PARENT] (169023) < setns res=0
659919 09:01:31.064665759 12 runc:[0:PARENT] (169023) < setns res=0
732062 09:01:31.608297074 4 nsenter (169055) < setns res=0
812985 09:01:32.217527319 6 runc:[0:PARENT] (169077) < setns res=0
812991 09:01:32.217579396 6 runc:[0:PARENT] (169077) < setns res=0
813000 09:01:32.217632211 6 runc:[0:PARENT] (169077) < setns res=0
```

When this happens, it can cause false positives for the "Change thread
namespace" rule as it allows certain process names like "runc",
"containerd", etc to perform setns calls.

Other rules already use the proc_name_exists macro to require that the
process name exists. This change adds proc_name_exists to the Change
Thread Namespace rule as well.

Signed-off-by: Mark Stemm <mark.stemm@gmail.com>
2020-09-03 18:56:51 +02:00
Loris Degioanni
5d71d70a14 added brakets to three macros to make them less ambiguous
Signed-off-by: Loris Degioanni <loris@sysdig.com>
2020-08-31 18:02:10 +02:00
Leonardo Grasso
0b8ecfaed3 docs(README.md): correct CONTRIBUTING.md URL
Signed-off-by: Leonardo Grasso <me@leonardograsso.com>
2020-08-31 17:08:06 +02:00
Leonardo Grasso
b003c92080 docs(RELEASE.md): correct typo in YYYY
Signed-off-by: Leonardo Grasso <me@leonardograsso.com>
2020-08-31 17:08:06 +02:00
Chuck Schweizer
d678be5579 Adding user.loginuid to the default falco rules in any place user.name exists
This update will provide information as to which process uid intitiated the event.  This is really important for processes that are started
by a different user name.

Signed-off-by: Chuck Schweizer <chuck.schweizer.lvk2@statefarm.com>
2020-08-28 10:02:19 +02:00
Lorenzo Fontana
0a4d60c22b docs: changelog for 0.25.0
Co-Authored-By: Leonardo Grasso <me@leonardograsso.com>
Signed-off-by: Lorenzo Fontana <fontanalorenz@gmail.com>
2020-08-25 16:19:21 +02:00
Leonardo Grasso
385d6eff6d fix(userspace/falco): do not always rethrow the exception
Co-Authored-By: Lorenzo Fontana <fontanalorenz@gmail.com>
Signed-off-by: Leonardo Grasso <me@leonardograsso.com>
2020-08-25 14:27:40 +02:00
32 changed files with 1190 additions and 360 deletions

View File

@@ -1,5 +1,85 @@
version: 2
jobs:
# Build a statically linked Falco release binary using musl
# This build is 100% static, there are no host dependencies
"build/musl":
docker:
- image: alpine:3.12
steps:
- checkout:
path: /source-static/falco
- run:
name: Update base image
command: apk update
- run:
name: Install build dependencies
command: apk add g++ gcc cmake cmake make ncurses-dev git bash perl linux-headers autoconf automake m4 libtool elfutils-dev libelf-static patch binutils
- run:
name: Prepare project
command: |
mkdir -p /build-static/release
cd /build-static/release
cmake -DCPACK_GENERATOR=TGZ -DBUILD_BPF=Off -DBUILD_DRIVER=Off -DCMAKE_BUILD_TYPE=Release -DUSE_BUNDLED_DEPS=On -DMUSL_OPTIMIZED_BUILD=On -DFALCO_ETC_DIR=/etc/falco /source-static/falco
- run:
name: Build
command: |
cd /build-static/release
make -j4 all
- run:
name: Package
command: |
cd /build-static/release
make -j4 package
- run:
name: Run unit tests
command: |
cd /build-static/release
make tests
- run:
name: Prepare artifacts
command: |
mkdir -p /tmp/packages
cp /build-static/release/*.tar.gz /tmp/packages
- store_artifacts:
path: /tmp/packages
destination: /packages
- persist_to_workspace:
root: /
paths:
- build-static/release
- source-static
# Build the minimal Falco
# This build only contains the Falco engine and the basic input/output.
"build/minimal":
docker:
- image: ubuntu:focal
steps:
- checkout
- run:
name: Update base image
command: apt update -y
- run:
name: Install dependencies
command: DEBIAN_FRONTEND=noninteractive apt install libjq-dev libncurses-dev libyaml-cpp-dev libelf-dev cmake build-essential git -y
- run:
name: Prepare project
command: |
mkdir build-minimal
pushd build-minimal
cmake -DMINIMAL_BUILD=On -DBUILD_BPF=Off -DBUILD_DRIVER=Off -DCMAKE_BUILD_TYPE=Release ..
popd
- run:
name: Build
command: |
pushd build-minimal
make -j4 all
popd
- run:
name: Run unit tests
command: |
pushd build-minimal
make tests
popd
# Build using ubuntu LTS
# This build is dynamic, most dependencies are taken from the OS
"build/ubuntu-focal":
@@ -202,6 +282,21 @@ jobs:
- run:
name: Execute integration tests
command: /usr/bin/entrypoint test
"tests/integration-static":
docker:
- image: falcosecurity/falco-tester:latest
environment:
SOURCE_DIR: "/source-static"
BUILD_DIR: "/build-static"
BUILD_TYPE: "release"
SKIP_PACKAGES_TESTS: "true"
steps:
- setup_remote_docker
- attach_workspace:
at: /
- run:
name: Execute integration tests
command: /usr/bin/entrypoint test
"tests/driver-loader/integration":
machine:
image: ubuntu-1604:202004-01
@@ -211,6 +306,33 @@ jobs:
- run:
name: Execute driver-loader integration tests
command: /tmp/ws/source/falco/test/driver-loader/run_test.sh /tmp/ws/build/release/
# Code quality
"quality/static-analysis":
docker:
- image: falcosecurity/falco-builder:latest
environment:
BUILD_TYPE: "release"
steps:
- run:
name: Install cppcheck
command: |
yum update -y
yum install epel-release -y
yum install cppcheck cppcheck-htmlreport -y
- checkout:
path: /source/falco
- run:
name: Prepare project
command: /usr/bin/entrypoint cmake
- run:
name: cppcheck
command: /usr/bin/entrypoint cppcheck
- run:
name: cppcheck html report
command: /usr/bin/entrypoint cppcheck_htmlreport
- store_artifacts:
path: /build/release/static-analysis-reports
destination: /static-analysis-reports
# Sign rpm packages
"rpm/sign":
docker:
@@ -267,10 +389,34 @@ jobs:
FALCO_VERSION=$(cat /build/release/userspace/falco/config_falco.h | grep 'FALCO_VERSION ' | cut -d' ' -f3 | sed -e 's/^"//' -e 's/"$//')
jfrog bt u /build/release/falco-${FALCO_VERSION}-x86_64.rpm falcosecurity/rpm-dev/falco/${FALCO_VERSION} --user poiana --key ${BINTRAY_SECRET} --publish --override
- run:
name: Publish tgz-dev
name: Publish bin-dev
command: |
FALCO_VERSION=$(cat /build/release/userspace/falco/config_falco.h | grep 'FALCO_VERSION ' | cut -d' ' -f3 | sed -e 's/^"//' -e 's/"$//')
jfrog bt u /build/release/falco-${FALCO_VERSION}-x86_64.tar.gz falcosecurity/bin-dev/falco/${FALCO_VERSION} x86_64/ --user poiana --key ${BINTRAY_SECRET} --publish --override
FALCO_VERSION=$(cat /build-static/release/userspace/falco/config_falco.h | grep 'FALCO_VERSION ' | cut -d' ' -f3 | sed -e 's/^"//' -e 's/"$//')
jfrog bt u /build-static/release/falco-${FALCO_VERSION}-x86_64.tar.gz falcosecurity/bin-dev/falco/${FALCO_VERSION} x86_64/ --user poiana --key ${BINTRAY_SECRET} --publish --override
# Clenup the Falco development release packages
"cleanup/packages-dev":
docker:
- image: docker.bintray.io/jfrog/jfrog-cli-go:latest
steps:
- checkout:
path: /source/falco
- run:
name: Prepare env
command: |
apk add --no-cache --update
apk add curl jq
- run:
name: Only keep the 10 most recent Falco development release tarballs
command: |
/source/falco/scripts/cleanup -p ${BINTRAY_SECRET} -r bin-dev
- run:
name: Only keep the 50 most recent Falco development release RPMs
command: |
/source/falco/scripts/cleanup -p ${BINTRAY_SECRET} -r rpm-dev
- run:
name: Only keep the 50 most recent Falco development release DEBs
command: |
/source/falco/scripts/cleanup -p ${BINTRAY_SECRET} -r deb-dev
# Publish docker packages
"publish/docker-dev":
docker:
@@ -327,10 +473,10 @@ jobs:
FALCO_VERSION=$(cat /build/release/userspace/falco/config_falco.h | grep 'FALCO_VERSION ' | cut -d' ' -f3 | sed -e 's/^"//' -e 's/"$//')
jfrog bt u /build/release/falco-${FALCO_VERSION}-x86_64.rpm falcosecurity/rpm/falco/${FALCO_VERSION} --user poiana --key ${BINTRAY_SECRET} --publish --override
- run:
name: Publish tgz
name: Publish bin
command: |
FALCO_VERSION=$(cat /build/release/userspace/falco/config_falco.h | grep 'FALCO_VERSION ' | cut -d' ' -f3 | sed -e 's/^"//' -e 's/"$//')
jfrog bt u /build/release/falco-${FALCO_VERSION}-x86_64.tar.gz falcosecurity/bin/falco/${FALCO_VERSION} x86_64/ --user poiana --key ${BINTRAY_SECRET} --publish --override
FALCO_VERSION=$(cat /build-static/release/userspace/falco/config_falco.h | grep 'FALCO_VERSION ' | cut -d' ' -f3 | sed -e 's/^"//' -e 's/"$//')
jfrog bt u /build-static/release/falco-${FALCO_VERSION}-x86_64.tar.gz falcosecurity/bin/falco/${FALCO_VERSION} x86_64/ --user poiana --key ${BINTRAY_SECRET} --publish --override
# Publish docker packages
"publish/docker":
docker:
@@ -372,6 +518,8 @@ workflows:
version: 2
build_and_test:
jobs:
- "build/musl"
- "build/minimal"
- "build/ubuntu-focal"
- "build/ubuntu-focal-debug"
- "build/ubuntu-bionic"
@@ -381,6 +529,9 @@ workflows:
- "tests/integration":
requires:
- "build/centos7"
- "tests/integration-static":
requires:
- "build/musl"
- "tests/driver-loader/integration":
requires:
- "build/centos7"
@@ -402,6 +553,16 @@ workflows:
only: master
requires:
- "rpm/sign"
- "tests/integration-static"
- "cleanup/packages-dev":
context: falco
filters:
tags:
ignore: /.*/
branches:
only: master
requires:
- "publish/packages-dev"
- "publish/docker-dev":
context: falco
filters:
@@ -412,8 +573,15 @@ workflows:
requires:
- "publish/packages-dev"
- "tests/driver-loader/integration"
- "quality/static-analysis"
release:
jobs:
- "build/musl":
filters:
tags:
only: /.*/
branches:
ignore: /.*/
- "build/centos7":
filters:
tags:
@@ -432,6 +600,7 @@ workflows:
- "publish/packages":
context: falco
requires:
- "build/musl"
- "rpm/sign"
filters:
tags:

View File

@@ -1,6 +1,93 @@
# Change Log
This file documents all notable changes to Falco. The release numbering uses [semantic versioning](http://semver.org).
## v0.26.1
Released on 2020-10-01
### Major Changes
* new: CLI flag `--alternate-lua-dir` to load Lua files from arbitrary paths [[#1419](https://github.com/falcosecurity/falco/pull/1419)] - [@admiral0](https://github.com/admiral0)
### Rule Changes
* rule(Delete or rename shell history): fix warnings/FPs + container teardown [[#1423](https://github.com/falcosecurity/falco/pull/1423)] - [@mstemm](https://github.com/mstemm)
* rule(Write below root): ensure proc_name_exists too [[#1423](https://github.com/falcosecurity/falco/pull/1423)] - [@mstemm](https://github.com/mstemm)
## v0.26.0
Released on 2020-24-09
### Major Changes
* new: address several sources of FPs, primarily from GKE environments. [[#1372](https://github.com/falcosecurity/falco/pull/1372)] - [@mstemm](https://github.com/mstemm)
* new: driver updated to 2aa88dcf6243982697811df4c1b484bcbe9488a2 [[#1410](https://github.com/falcosecurity/falco/pull/1410)] - [@leogr](https://github.com/leogr)
* new(scripts/falco-driver-loader): detect and try to build the Falco kernel module driver using different GCC versions available in the current environment. [[#1408](https://github.com/falcosecurity/falco/pull/1408)] - [@fntlnz](https://github.com/fntlnz)
* new: tgz (tarball) containing the statically-linked (musl) binary of Falco is now automatically built and published on bintray [[#1377](https://github.com/falcosecurity/falco/pull/1377)] - [@leogr](https://github.com/leogr)
### Minor Changes
* update: bump Falco engine version to 7 [[#1381](https://github.com/falcosecurity/falco/pull/1381)] - [@leogr](https://github.com/leogr)
* update: the required_engine_version is now on by default [[#1381](https://github.com/falcosecurity/falco/pull/1381)] - [@leogr](https://github.com/leogr)
* update: falcosecurity/falco-no-driver image now uses the statically-linked Falco [[#1377](https://github.com/falcosecurity/falco/pull/1377)] - [@leogr](https://github.com/leogr)
* docs(proposals): artifacts storage [[#1375](https://github.com/falcosecurity/falco/pull/1375)] - [@leodido](https://github.com/leodido)
* docs(proposals): artifacts cleanup [[#1375](https://github.com/falcosecurity/falco/pull/1375)] - [@leodido](https://github.com/leodido)
### Rule Changes
* rule(macro inbound_outbound): add brackets to disambiguate operator precedence [[#1373](https://github.com/falcosecurity/falco/pull/1373)] - [@ldegio](https://github.com/ldegio)
* rule(macro redis_writing_conf): add brackets to disambiguate operator precedence [[#1373](https://github.com/falcosecurity/falco/pull/1373)] - [@ldegio](https://github.com/ldegio)
* rule(macro run_by_foreman): add brackets to disambiguate operator precedence [[#1373](https://github.com/falcosecurity/falco/pull/1373)] - [@ldegio](https://github.com/ldegio)
* rule(macro consider_packet_socket_communication): enable "Packet socket created in container" rule by default. [[#1402](https://github.com/falcosecurity/falco/pull/1402)] - [@rung](https://github.com/rung)
* rule(Delete or rename shell history): skip docker overlay filesystems when considering bash history [[#1393](https://github.com/falcosecurity/falco/pull/1393)] - [@mstemm](https://github.com/mstemm)
* rule(Disallowed K8s User): quote colons in user names [[#1393](https://github.com/falcosecurity/falco/pull/1393)] - [@mstemm](https://github.com/mstemm)
* rule(macro falco_sensitive_mount_containers): Adds a trailing slash to avoid repo naming issues [[#1394](https://github.com/falcosecurity/falco/pull/1394)] - [@bgeesaman](https://github.com/bgeesaman)
* rule: adds user.loginuid to the default Falco rules that also contain user.name [[#1369](https://github.com/falcosecurity/falco/pull/1369)] - [@csschwe](https://github.com/csschwe)
## v0.25.0
Released on 2020-08-25
### Major Changes
* new(userspace/falco): print the Falco and driver versions at the very beginning of the output. [[#1303](https://github.com/falcosecurity/falco/pull/1303)] - [@leogr](https://github.com/leogr)
* new: libyaml is now bundled in the release process. Users can now avoid installing libyaml directly when getting Falco from the official release. [[#1252](https://github.com/falcosecurity/falco/pull/1252)] - [@fntlnz](https://github.com/fntlnz)
### Minor Changes
* docs(test): step-by-step instructions to run integration tests locally [[#1313](https://github.com/falcosecurity/falco/pull/1313)] - [@leodido](https://github.com/leodido)
* update: renameat2 syscall support [[#1355](https://github.com/falcosecurity/falco/pull/1355)] - [@fntlnz](https://github.com/fntlnz)
* update: support for 5.8.x kernels [[#1355](https://github.com/falcosecurity/falco/pull/1355)] - [@fntlnz](https://github.com/fntlnz)
### Bug Fixes
* fix(userspace/falco): correct the fallback mechanism for loading the kernel module [[#1366](https://github.com/falcosecurity/falco/pull/1366)] - [@leogr](https://github.com/leogr)
* fix(falco-driver-loader): script crashing when using arguments [[#1330](https://github.com/falcosecurity/falco/pull/1330)] - [@antoinedeschenes](https://github.com/antoinedeschenes)
### Rule Changes
* rule(macro user_trusted_containers): add `sysdig/node-image-analyzer` and `sysdig/agent-slim` [[#1321](https://github.com/falcosecurity/falco/pull/1321)] - [@Kaizhe](https://github.com/Kaizhe)
* rule(macro falco_privileged_images): add `docker.io/falcosecurity/falco` [[#1326](https://github.com/falcosecurity/falco/pull/1326)] - [@nvanheuverzwijn](https://github.com/nvanheuverzwijn)
* rule(EphemeralContainers Created): add new rule to detect ephemeral container created [[#1339](https://github.com/falcosecurity/falco/pull/1339)] - [@Kaizhe](https://github.com/Kaizhe)
* rule(macro user_read_sensitive_file_containers): replace endswiths with exact image repo name [[#1349](https://github.com/falcosecurity/falco/pull/1349)] - [@Kaizhe](https://github.com/Kaizhe)
* rule(macro user_trusted_containers): replace endswiths with exact image repo name [[#1349](https://github.com/falcosecurity/falco/pull/1349)] - [@Kaizhe](https://github.com/Kaizhe)
* rule(macro user_privileged_containers): replace endswiths with exact image repo name [[#1349](https://github.com/falcosecurity/falco/pull/1349)] - [@Kaizhe](https://github.com/Kaizhe)
* rule(macro trusted_images_query_miner_domain_dns): replace endswiths with exact image repo name [[#1349](https://github.com/falcosecurity/falco/pull/1349)] - [@Kaizhe](https://github.com/Kaizhe)
* rule(macro falco_privileged_containers): append "/" to quay.io/sysdig [[#1349](https://github.com/falcosecurity/falco/pull/1349)] - [@Kaizhe](https://github.com/Kaizhe)
* rule(list falco_privileged_images): add images docker.io/sysdig/agent-slim and docker.io/sysdig/node-image-analyzer [[#1349](https://github.com/falcosecurity/falco/pull/1349)] - [@Kaizhe](https://github.com/Kaizhe)
* rule(list falco_sensitive_mount_images): add image docker.io/sysdig/agent-slim [[#1349](https://github.com/falcosecurity/falco/pull/1349)] - [@Kaizhe](https://github.com/Kaizhe)
* rule(list k8s_containers): prepend docker.io to images [[#1349](https://github.com/falcosecurity/falco/pull/1349)] - [@Kaizhe](https://github.com/Kaizhe)
* rule(macro exe_running_docker_save): add better support for centos [[#1350](https://github.com/falcosecurity/falco/pull/1350)] - [@admiral0](https://github.com/admiral0)
* rule(macro rename): add `renameat2` syscall [[#1359](https://github.com/falcosecurity/falco/pull/1359)] - [@leogr](https://github.com/leogr)
* rule(Read sensitive file untrusted): add trusted images into whitelist [[#1327](https://github.com/falcosecurity/falco/pull/1327)] - [@Kaizhe](https://github.com/Kaizhe)
* rule(Pod Created in Kube Namespace): add new list k8s_image_list as white list [[#1336](https://github.com/falcosecurity/falco/pull/1336)] - [@Kaizhe](https://github.com/Kaizhe)
* rule(list allowed_k8s_users): add "kubernetes-admin" user [[#1323](https://github.com/falcosecurity/falco/pull/1323)] - [@leogr](https://github.com/leogr)
## v0.24.0

View File

@@ -16,6 +16,8 @@ project(falco)
option(USE_BUNDLED_DEPS "Bundle hard to find dependencies into the Falco binary" OFF)
option(BUILD_WARNINGS_AS_ERRORS "Enable building with -Wextra -Werror flags" OFF)
option(MINIMAL_BUILD "Build a minimal version of Falco, containing only the engine and basic input/output (EXPERIMENTAL)" OFF)
option(MUSL_OPTIMIZED_BUILD "Enable if you want a musl optimized build" OFF)
# Elapsed time
# set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CMAKE_COMMAND} -E time") # TODO(fntlnz, leodido): add a flag to enable this
@@ -50,7 +52,15 @@ else()
endif()
message(STATUS "Build type: ${CMAKE_BUILD_TYPE}")
set(CMAKE_COMMON_FLAGS "-Wall -ggdb ${DRAIOS_FEATURE_FLAGS}")
if(MINIMAL_BUILD)
set(MINIMAL_BUILD_FLAGS "-DMINIMAL_BUILD")
endif()
if(MUSL_OPTIMIZED_BUILD)
set(MUSL_FLAGS "-static -Os")
endif()
set(CMAKE_COMMON_FLAGS "-Wall -ggdb ${DRAIOS_FEATURE_FLAGS} ${MINIMAL_BUILD_FLAGS} ${MUSL_FLAGS}")
if(BUILD_WARNINGS_AS_ERRORS)
set(CMAKE_SUPPRESSED_WARNINGS
@@ -123,11 +133,13 @@ ExternalProject_Add(
# yaml-cpp
include(yaml-cpp)
# OpenSSL
include(OpenSSL)
if(NOT MINIMAL_BUILD)
# OpenSSL
include(OpenSSL)
# libcurl
include(cURL)
# libcurl
include(cURL)
endif()
# LuaJIT
set(LUAJIT_SRC "${PROJECT_BINARY_DIR}/luajit-prefix/src/luajit/src")
@@ -194,26 +206,30 @@ ExternalProject_Add(
BUILD_BYPRODUCTS ${TBB_LIB}
INSTALL_COMMAND "")
# civetweb
set(CIVETWEB_SRC "${PROJECT_BINARY_DIR}/civetweb-prefix/src/civetweb/")
set(CIVETWEB_LIB "${CIVETWEB_SRC}/install/lib/libcivetweb.a")
set(CIVETWEB_INCLUDE_DIR "${CIVETWEB_SRC}/install/include")
message(STATUS "Using bundled civetweb in '${CIVETWEB_SRC}'")
ExternalProject_Add(
civetweb
URL "https://github.com/civetweb/civetweb/archive/v1.11.tar.gz"
URL_HASH "SHA256=de7d5e7a2d9551d325898c71e41d437d5f7b51e754b242af897f7be96e713a42"
CONFIGURE_COMMAND ${CMAKE_COMMAND} -E make_directory ${CIVETWEB_SRC}/install/lib
COMMAND ${CMAKE_COMMAND} -E make_directory ${CIVETWEB_SRC}/install/include
BUILD_IN_SOURCE 1
BUILD_COMMAND ${CMD_MAKE} COPT="-DNO_FILES" WITH_CPP=1
INSTALL_COMMAND ${CMD_MAKE} COPT="-DNO_FILES" install-lib install-headers PREFIX=${CIVETWEB_SRC}/install "WITH_CPP=1")
if(NOT MINIMAL_BUILD)
# civetweb
set(CIVETWEB_SRC "${PROJECT_BINARY_DIR}/civetweb-prefix/src/civetweb/")
set(CIVETWEB_LIB "${CIVETWEB_SRC}/install/lib/libcivetweb.a")
set(CIVETWEB_INCLUDE_DIR "${CIVETWEB_SRC}/install/include")
message(STATUS "Using bundled civetweb in '${CIVETWEB_SRC}'")
ExternalProject_Add(
civetweb
URL "https://github.com/civetweb/civetweb/archive/v1.11.tar.gz"
URL_HASH "SHA256=de7d5e7a2d9551d325898c71e41d437d5f7b51e754b242af897f7be96e713a42"
CONFIGURE_COMMAND ${CMAKE_COMMAND} -E make_directory ${CIVETWEB_SRC}/install/lib
COMMAND ${CMAKE_COMMAND} -E make_directory ${CIVETWEB_SRC}/install/include
BUILD_IN_SOURCE 1
BUILD_COMMAND ${CMD_MAKE} COPT="-DNO_FILES" WITH_CPP=1
INSTALL_COMMAND ${CMD_MAKE} COPT="-DNO_FILES" install-lib install-headers PREFIX=${CIVETWEB_SRC}/install "WITH_CPP=1")
endif()
#string-view-lite
include(DownloadStringViewLite)
# gRPC
include(gRPC)
if(NOT MINIMAL_BUILD)
# gRPC
include(gRPC)
endif()
# sysdig
include(sysdig)
@@ -221,11 +237,13 @@ include(sysdig)
# Installation
install(FILES falco.yaml DESTINATION "${FALCO_ETC_DIR}")
# Coverage
include(Coverage)
if(NOT MINIMAL_BUILD)
# Coverage
include(Coverage)
# Tests
add_subdirectory(test)
# Tests
add_subdirectory(test)
endif()
# Rules
add_subdirectory(rules)
@@ -236,6 +254,9 @@ add_subdirectory(docker)
# Clang format
# add_custom_target(format COMMAND clang-format --style=file -i $<TARGET_PROPERTY:falco,SOURCES> COMMENT "Formatting ..." VERBATIM)
# Static analysis
include(static-analysis)
# Shared build variables
set(FALCO_SINSP_LIBRARY sinsp)
set(FALCO_SHARE_DIR share/falco)

View File

@@ -74,7 +74,7 @@ To get involved with The Falco Project please visit [the community repository](h
### Contributing
See the [CONTRIBUTING.md](./CONTRIBUTING.md).
See the [CONTRIBUTING.md](https://github.com/falcosecurity/.github/blob/master/CONTRIBUTING.md).
### Security Audit

View File

@@ -4,19 +4,21 @@ Our release process is mostly automated, but we still need some manual steps to
Changes and new features are grouped in [milestones](https://github.com/falcosecurity/falco/milestones), the milestone with the next version represents what is going to be released.
Releases happen on a monthly cadence, towards the 16th of the on-going month, and we need to assign owners for each (usually we pair a new person with an experienced one). Assignees and the due date are proposed during the [weekly community call](https://github.com/falcosecurity/community). Note that hotfix releases can happen as soon as it is needed.
A release happens every two months ([as per community discussion](https://github.com/falcosecurity/community/blob/master/meeting-notes/2020-09-30.md#agenda)), and we need to assign owners for each (usually we pair a new person with an experienced one). Assignees and the due date are proposed during the [weekly community call](https://github.com/falcosecurity/community). Note that hotfix releases can happen as soon as it is needed.
Finally, on the proposed due date the assignees for the upcoming release proceed with the processes described below.
## Pre-Release Checklist
Before cutting a release we need to do some homework in the Falco repository. This should take 5 minutes using the GitHub UI.
### 1. Release notes
- Let `YYYY-MM-DD` the day before of the [latest release](https://github.com/falcosecurity/falco/releases)
- Find the LAST release (-1) and use `YYYY-MM-DD` as the day before of the [latest release](https://github.com/falcosecurity/falco/releases)
- Check the release note block of every PR matching the `is:pr is:merged closed:>YYYY-MM-DD` [filter](https://github.com/falcosecurity/falco/pulls?q=is%3Apr+is%3Amerged+closed%3A%3EYYYY-MM-DD)
- Ensure the release note block follows the [commit convention](https://github.com/falcosecurity/falco/blob/master/CONTRIBUTING.md#commit-convention), otherwise fix its content
- If the PR has no milestone, assign it to the milestone currently undergoing release
- Check issues without a milestone (using [is:pr is:merged no:milestone closed:>YYYT-MM-DD](https://github.com/falcosecurity/falco/pulls?q=is%3Apr+is%3Amerged+no%3Amilestone+closed%3A%3EYYYT-MM-DD) filter) and add them to the milestone currently undergoing release
- Double-check that there are no more merged PRs without the target milestone assigned with the `is:pr is:merged no:milestone closed:>YYYT-MM-DD` [filters](https://github.com/falcosecurity/falco/pulls?q=is%3Apr+is%3Amerged+no%3Amilestone+closed%3A%3EYYYT-MM-DD), if any, fix them
- Check issues without a milestone (using [is:pr is:merged no:milestone closed:>YYYY-MM-DD](https://github.com/falcosecurity/falco/pulls?q=is%3Apr+is%3Amerged+no%3Amilestone+closed%3A%3EYYYY-MM-DD) filter) and add them to the milestone currently undergoing release
- Double-check that there are no more merged PRs without the target milestone assigned with the `is:pr is:merged no:milestone closed:>YYYY-MM-DD` [filters](https://github.com/falcosecurity/falco/pulls?q=is%3Apr+is%3Amerged+no%3Amilestone+closed%3A%3EYYYY-MM-DD), if any, fix them
### 2. Milestones
@@ -28,14 +30,15 @@ Finally, on the proposed due date the assignees for the upcoming release proceed
- If any, manually correct it then open an issue to automate version number bumping later
- Versions table in the `README.md` update itself automatically
- Generate the change log https://github.com/leodido/rn2md, or https://fs.fntlnz.wtf/falco/milestones-changelog.txt for the lazy people (it updates every 5 minutes)
- Add the lastest changes on top the previous `CHANGELOG.md`
- If you review timeout errors with `rn2md` try to generate an GitHub Oauth access token and use `-t`
- Add the latest changes on top the previous `CHANGELOG.md`
- Submit a PR with the above modifications
- Await PR approval
- Close the completed milestone as soon PR is merged
- Close the completed milestone as soon as the PR is merged
## Release
Let `x.y.z` the new version.
Now assume `x.y.z` is the new version.
### 1. Create a tag
@@ -58,15 +61,29 @@ Let `x.y.z` the new version.
- Use `x.y.z` both as tag version and release title
- Use the following template to fill the release description:
```
<!-- Substitute x.y.z with the current release version -->
| Packages | Download |
| -------- | ------------------------------------------------------------------------------------------------------------------------------------------------------ |
| rpm | [![rpm](https://img.shields.io/badge/Falco-x.y.z-%2300aec7?style=flat-square)](https://dl.bintray.com/falcosecurity/rpm/falco-x.y.z-x86_64.rpm) |
| deb | [![deb](https://img.shields.io/badge/Falco-x.y.z-%2300aec7?style=flat-square)](https://dl.bintray.com/falcosecurity/deb/stable/falco-x.y.z-x86_64.deb) |
| tgz | [![tgz](https://img.shields.io/badge/Falco-x.y.z-%2300aec7?style=flat-square)](https://dl.bintray.com/falcosecurity/bin/x86_64/falco-x.y.z-x86_64.deb) |
| Images |
| --------------------------------------------------------------- |
| `docker pull docker.io/falcosecurity/falco:_tag_` |
| `docker pull docker.io/falcosecurity/falco-driver-loader:_tag_` |
| `docker pull docker.io/falcosecurity/falco-no-driver:_tag_` |
<!-- Copy the relevant part of the changelog here -->
### Statistics
| Merged PRs | Number |
|-------------------|---------|
| Not user-facing | x |
| Release note | x |
| Total | x |
| Merged PRs | Number |
| --------------- | ------ |
| Not user-facing | x |
| Release note | x |
| Total | x |
<!-- Calculate stats and fill the above table -->
```

View File

@@ -15,6 +15,21 @@ There are 3 logos available for use in this directory. Use the primary logo unle
The Falco logo is Apache 2 licensed and free to use in media and publication for the CNCF Falco project.
### Colors
| Name | PMS | RGB |
|-----------|------|-------------|
| Teal | 3125 | 0 174 199 |
| Cool Gray | 11 | 83 86 90 |
| Black | | 0 0 0 |
| Blue-Gray | 7700 | 22 92 125 |
| Gold | 1375 | 255 158 27 |
| Orange | 171 | 255 92 57 |
| Emerald | 3278 | 0 155 119 |
| Green | 360 | 108 194 74 |
The primary colors are those in the first two rows.
### Slogan
> Cloud Native Runtime Security

View File

@@ -25,7 +25,11 @@ set(CPACK_PROJECT_CONFIG_FILE "${PROJECT_SOURCE_DIR}/cmake/cpack/CMakeCPackOptio
set(CPACK_STRIP_FILES "ON")
set(CPACK_PACKAGE_RELOCATABLE "OFF")
set(CPACK_GENERATOR DEB RPM TGZ)
if(NOT CPACK_GENERATOR)
set(CPACK_GENERATOR DEB RPM TGZ)
endif()
message(STATUS "Using package generators: ${CPACK_GENERATOR}")
set(CPACK_DEBIAN_PACKAGE_SECTION "utils")
set(CPACK_DEBIAN_PACKAGE_ARCHITECTURE "amd64")

View File

@@ -15,7 +15,7 @@ include(ExternalProject)
set(STRING_VIEW_LITE_PREFIX ${CMAKE_BINARY_DIR}/string-view-lite-prefix)
set(STRING_VIEW_LITE_INCLUDE ${STRING_VIEW_LITE_PREFIX}/include)
message(STATUS "Found string-view-lite: include: ${STRING_VIEW_LITE_INCLUDE}")
message(STATUS "Using bundled string-view-lite in ${STRING_VIEW_LITE_INCLUDE}")
ExternalProject_Add(
string-view-lite

View File

@@ -96,12 +96,17 @@ else()
# that zlib will be very outdated
set(ZLIB_INCLUDE "${GRPC_SRC}/third_party/zlib")
set(ZLIB_LIB "${GRPC_LIBS_ABSOLUTE}/libz.a")
# we tell gRPC to compile c-ares for us because when a gRPC package is not available, like on CentOS, it's very likely
# that c-ares will be very outdated
set(CARES_INCLUDE "${GRPC_SRC}/third_party/cares" "${GRPC_SRC}/third_party/cares/cares")
set(CARES_LIB "${GRPC_LIBS_ABSOLUTE}/libares.a")
message(STATUS "Using bundled gRPC in '${GRPC_SRC}'")
message(
STATUS
"Bundled gRPC comes with protobuf: compiler: ${PROTOC}, include: ${PROTOBUF_INCLUDE}, lib: ${PROTOBUF_LIB}")
message(STATUS "Bundled gRPC comes with zlib: include: ${ZLIB_INCLUDE}, lib: ${ZLIB_LIB}}")
message(STATUS "Bundled gRPC comes with cares: include: ${CARES_INCLUDE}, lib: ${CARES_LIB}}")
message(STATUS "Bundled gRPC comes with gRPC C++ plugin: include: ${GRPC_CPP_PLUGIN}")
get_filename_component(PROTOC_DIR ${PROTOC} PATH)

View File

@@ -0,0 +1,42 @@
# create the reports folder
file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/static-analysis-reports)
file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/static-analysis-reports/cppcheck)
# cppcheck
find_program(CPPCHECK cppcheck)
find_program(CPPCHECK_HTMLREPORT cppcheck-htmlreport)
if(NOT CPPCHECK)
message(STATUS "cppcheck command not found, static code analysis using cppcheck will not be available.")
else()
message(STATUS "cppcheck found at: ${CPPCHECK}")
# we are aware that cppcheck can be run
# along with the software compilation in a single step
# using the CMAKE_CXX_CPPCHECK variables.
# However, for practical needs we want to keep the
# two things separated and have a specific target for it.
# Our cppcheck target reads the compilation database produced by CMake
set(CMAKE_EXPORT_COMPILE_COMMANDS On)
add_custom_target(
cppcheck
COMMAND ${CPPCHECK}
"--enable=all"
"--force"
"--inconclusive"
"--inline-suppr" # allows to specify suppressions directly in source code
"--project=${CMAKE_CURRENT_BINARY_DIR}/compile_commands.json" # use the compilation database as source
"--quiet"
"--xml" # we want to generate a report
"--output-file=${CMAKE_CURRENT_BINARY_DIR}/static-analysis-reports/cppcheck/cppcheck.xml" # generate the report under the reports folder in the build folder
"-i${CMAKE_CURRENT_BINARY_DIR}"# exclude the build folder
)
endif() # CPPCHECK
if(NOT CPPCHECK_HTMLREPORT)
message(STATUS "cppcheck-htmlreport command not found, will not be able to produce html reports for cppcheck results")
else()
message(STATUS "cppcheck-htmlreport found at: ${CPPCHECK_HTMLREPORT}")
add_custom_target(
cppcheck_htmlreport
COMMAND ${CPPCHECK_HTMLREPORT} --title=${CMAKE_PROJECT_NAME} --report-dir=${CMAKE_CURRENT_BINARY_DIR}/static-analysis-reports/cppcheck --file=static-analysis-reports/cppcheck/cppcheck.xml)
endif() # CPPCHECK_HTMLREPORT

View File

@@ -17,7 +17,9 @@ set(SYSDIG_CMAKE_WORKING_DIR "${CMAKE_BINARY_DIR}/sysdig-repo")
# this needs to be here at the top
if(USE_BUNDLED_DEPS)
# explicitly force this dependency to use the bundled OpenSSL
set(USE_BUNDLED_OPENSSL ON)
if(NOT MINIMAL_BUILD)
set(USE_BUNDLED_OPENSSL ON)
endif()
set(USE_BUNDLED_JQ ON)
endif()
@@ -27,8 +29,8 @@ file(MAKE_DIRECTORY ${SYSDIG_CMAKE_WORKING_DIR})
# default below In case you want to test against another sysdig version just pass the variable - ie., `cmake
# -DSYSDIG_VERSION=dev ..`
if(NOT SYSDIG_VERSION)
set(SYSDIG_VERSION "ae104eb20ff0198a5dcb0c91cc36c86e7c3f25c7")
set(SYSDIG_CHECKSUM "SHA256=43d274e4ce16b0d0e4dd00aab78006c902f36070d1cbb22d12a2685134a2ae51")
set(SYSDIG_VERSION "2aa88dcf6243982697811df4c1b484bcbe9488a2")
set(SYSDIG_CHECKSUM "SHA256=a737077543a6f3473ab306b424bcf7385d788149829ed1538252661b0f20d0f6")
endif()
set(PROBE_VERSION "${SYSDIG_VERSION}")
@@ -55,6 +57,9 @@ add_subdirectory("${SYSDIG_SOURCE_DIR}/driver" "${PROJECT_BINARY_DIR}/driver")
# Add libscap directory
add_definitions(-D_GNU_SOURCE)
add_definitions(-DHAS_CAPTURE)
if(MUSL_OPTIMIZED_BUILD)
add_definitions(-DMUSL_OPTIMIZED)
endif()
add_subdirectory("${SYSDIG_SOURCE_DIR}/userspace/libscap" "${PROJECT_BINARY_DIR}/userspace/libscap")
# Add libsinsp directory
@@ -65,5 +70,8 @@ add_dependencies(sinsp tbb b64 luajit)
set(CREATE_TEST_TARGETS OFF)
if(USE_BUNDLED_DEPS)
add_dependencies(scap grpc curl jq)
add_dependencies(scap jq)
if(NOT MINIMAL_BUILD)
add_dependencies(scap curl grpc)
endif()
endif()

View File

@@ -34,6 +34,7 @@ case "$CMD" in
-DCMAKE_BUILD_TYPE="$BUILD_TYPE" \
-DCMAKE_INSTALL_PREFIX=/usr \
-DBUILD_DRIVER="$BUILD_DRIVER" \
-DMINIMAL_BUILD="$MINIMAL_BUILD" \
-DBUILD_BPF="$BUILD_BPF" \
-DBUILD_WARNINGS_AS_ERRORS="$BUILD_WARNINGS_AS_ERRORS" \
-DFALCO_VERSION="$FALCO_VERSION" \

View File

@@ -12,47 +12,16 @@ WORKDIR /
ADD https://bintray.com/api/ui/download/falcosecurity/${VERSION_BUCKET}/x86_64/falco-${FALCO_VERSION}-x86_64.tar.gz /
RUN apt-get update -y && \
apt-get install -y binutils && \
tar -xvf falco-${FALCO_VERSION}-x86_64.tar.gz && \
RUN tar -xvf falco-${FALCO_VERSION}-x86_64.tar.gz && \
rm -f falco-${FALCO_VERSION}-x86_64.tar.gz && \
mv falco-${FALCO_VERSION}-x86_64 falco && \
strip falco/usr/bin/falco && \
apt-get clean && \
rm -rf /var/lib/apt/lists/*
rm -rf falco/usr/src/falco-* falco/usr/bin/falco-driver-loader
RUN sed -e 's/time_format_iso_8601: false/time_format_iso_8601: true/' < /falco/etc/falco/falco.yaml > /falco/etc/falco/falco.yaml.new \
&& mv /falco/etc/falco/falco.yaml.new /falco/etc/falco/falco.yaml
FROM scratch
COPY --from=ubuntu /lib/x86_64-linux-gnu/libanl.so.1 \
/lib/x86_64-linux-gnu/libc.so.6 \
/lib/x86_64-linux-gnu/libdl.so.2 \
/lib/x86_64-linux-gnu/libgcc_s.so.1 \
/lib/x86_64-linux-gnu/libm.so.6 \
/lib/x86_64-linux-gnu/libnsl.so.1 \
/lib/x86_64-linux-gnu/libnss_compat.so.2 \
/lib/x86_64-linux-gnu/libnss_files.so.2 \
/lib/x86_64-linux-gnu/libnss_nis.so.2 \
/lib/x86_64-linux-gnu/libpthread.so.0 \
/lib/x86_64-linux-gnu/librt.so.1 \
/lib/x86_64-linux-gnu/libz.so.1 \
/lib/x86_64-linux-gnu/
COPY --from=ubuntu /usr/lib/x86_64-linux-gnu/libstdc++.so.6 \
/usr/lib/x86_64-linux-gnu/libstdc++.so.6
COPY --from=ubuntu /etc/ld.so.cache \
/etc/nsswitch.conf \
/etc/ld.so.cache \
/etc/passwd \
/etc/group \
/etc/
COPY --from=ubuntu /etc/default/nss /etc/default/nss
COPY --from=ubuntu /lib64/ld-linux-x86-64.so.2 /lib64/ld-linux-x86-64.so.2
COPY --from=ubuntu /falco /
CMD ["/usr/bin/falco", "-o", "time_format_iso_8601=true"]

View File

@@ -1,9 +1,11 @@
#!/usr/bin/env bash
set -eu -o pipefail
set -u -o pipefail
BUILD_DIR=${BUILD_DIR:-/build}
SOURCE_DIR=${SOURCE_DIR:-/source}
SKIP_PACKAGES_TESTS=${SKIP_PACKAGES_TESTS:-false}
SOURCE_DIR=/source
BUILD_DIR=/build
CMD=${1:-test}
shift
@@ -56,9 +58,11 @@ case "$CMD" in
fi
# build docker images
build_image "$BUILD_DIR" "$BUILD_TYPE" "$FALCO_VERSION" "deb"
build_image "$BUILD_DIR" "$BUILD_TYPE" "$FALCO_VERSION" "rpm"
build_image "$BUILD_DIR" "$BUILD_TYPE" "$FALCO_VERSION" "tar.gz"
if [ "$SKIP_PACKAGES_TESTS" = false ] ; then
build_image "$BUILD_DIR" "$BUILD_TYPE" "$FALCO_VERSION" "deb"
build_image "$BUILD_DIR" "$BUILD_TYPE" "$FALCO_VERSION" "rpm"
build_image "$BUILD_DIR" "$BUILD_TYPE" "$FALCO_VERSION" "tar.gz"
fi
# check that source directory contains Falco
if [ ! -d "$SOURCE_DIR/falco/test" ]; then
@@ -69,12 +73,14 @@ case "$CMD" in
# run tests
echo "Running regression tests ..."
cd "$SOURCE_DIR/falco/test"
./run_regression_tests.sh -d "$BUILD_DIR/$BUILD_TYPE"
SKIP_PACKAGES_TESTS=$SKIP_PACKAGES_TESTS ./run_regression_tests.sh -d "$BUILD_DIR/$BUILD_TYPE"
# clean docker images
clean_image "deb"
clean_image "rpm"
clean_image "tar.gz"
if [ "$SKIP_PACKAGES_TESTS" = false ] ; then
clean_image "deb"
clean_image "rpm"
clean_image "tar.gz"
fi
;;
"bash")
CMD=/bin/bash

View File

@@ -4,7 +4,7 @@ The **Falco Artifact Scope** proposal is divided in two parts:
1. the Part 1 - *this document*: the State of Art of Falco artifacts
2. the [Part 2](./20200506-artifacts-scope-part-2.md): the intended state moving forward
## Summary
## Summary
As a project we would like to support the following artifacts.
@@ -16,7 +16,7 @@ Inspired by many previous issues and many of the weekly community calls.
## Terms
**falco**
**falco**
*The Falco binary*
@@ -30,12 +30,12 @@ Inspired by many previous issues and many of the weekly community calls.
**package**
*An installable artifact that is operating system specific. All packages MUST be hosted on bintray.*
*An installable artifact that is operating system specific. All packages MUST be hosted on [bintray](https://bintray.com/falcosecurity).*
**image**
*OCI compliant container image hosted on dockerhub with tags for every release and the current master branch.*
# Packages
@@ -52,11 +52,11 @@ List of currently official container images (for X86 64bits only):
| Name | Directory | Description |
|---|---|---|
| [falcosecurity/falco:latest](https://hub.docker.com/repository/docker/falcosecurity/falco), [falcosecurity/falco:_tag_](https://hub.docker.com/repository/docker/falcosecurity/falco), [falcosecurity/falco:master](https://hub.docker.com/repository/docker/falcosecurity/falco) | docker/stable | Falco (DEB built from git tag or from the master) with all the building toolchain. |
| [falcosecurity/falco:latest-slim](https://hub.docker.com/repository/docker/falcosecurity/falco), [falcosecurity/falco:_tag_-slim](https://hub.docker.com/repository/docker/falcosecurity/falco),[falcosecurity/falco:master-slim](https://hub.docker.com/repository/docker/falcosecurity/falco) | docker/slim | Falco (DEB build from git tag or from the master) without the building toolchain. |
| [falcosecurity/falco-driver-loader:latest](https://hub.docker.com/repository/docker/falcosecurity/falco-driver-loader), [falcosecurity/falco-driver-loader:_tag_](https://hub.docker.com/repository/docker/falcosecurity/falco-driver-loader), [falcosecurity/falco-driver-loader:master](https://hub.docker.com/repository/docker/falcosecurity/falco-driver-loader) | docker/driver-loader | `falco-driver-loader` as entrypoint with the building toolchain. |
| [falcosecurity/falco-builder:latest](https://hub.docker.com/repository/docker/falcosecurity/falco-builder) | docker/builder | The complete build tool chain for compiling Falco from source. See [the documentation](https://falco.org/docs/source/) for more details on building from source. Used to build Falco (CI). |
| [falcosecurity/falco-tester:latest](https://hub.docker.com/repository/docker/falcosecurity/falco-tester) | docker/tester | Container image for running the Falco test suite. Used to run Falco integration tests (CI). |
| [falcosecurity/falco:latest](https://hub.docker.com/repository/docker/falcosecurity/falco), [falcosecurity/falco:_tag_](https://hub.docker.com/repository/docker/falcosecurity/falco), [falcosecurity/falco:master](https://hub.docker.com/repository/docker/falcosecurity/falco) | docker/stable | Falco (DEB built from git tag or from the master) with all the building toolchain. |
| [falcosecurity/falco:latest-slim](https://hub.docker.com/repository/docker/falcosecurity/falco), [falcosecurity/falco:_tag_-slim](https://hub.docker.com/repository/docker/falcosecurity/falco),[falcosecurity/falco:master-slim](https://hub.docker.com/repository/docker/falcosecurity/falco) | docker/slim | Falco (DEB build from git tag or from the master) without the building toolchain. |
| [falcosecurity/falco-driver-loader:latest](https://hub.docker.com/repository/docker/falcosecurity/falco-driver-loader), [falcosecurity/falco-driver-loader:_tag_](https://hub.docker.com/repository/docker/falcosecurity/falco-driver-loader), [falcosecurity/falco-driver-loader:master](https://hub.docker.com/repository/docker/falcosecurity/falco-driver-loader) | docker/driver-loader | `falco-driver-loader` as entrypoint with the building toolchain. |
| [falcosecurity/falco-builder:latest](https://hub.docker.com/repository/docker/falcosecurity/falco-builder) | docker/builder | The complete build tool chain for compiling Falco from source. See [the documentation](https://falco.org/docs/source/) for more details on building from source. Used to build Falco (CI). |
| [falcosecurity/falco-tester:latest](https://hub.docker.com/repository/docker/falcosecurity/falco-tester) | docker/tester | Container image for running the Falco test suite. Used to run Falco integration tests (CI). |
| _to not be published_ | docker/local | Built on-the-fly and used by falco-tester. |
**Note**: `falco-builder`, `falco-tester` (and the `docker/local` image which it's built on the fly by the `falco-tester` one) are not integrated into the release process because they are development and CI tools that need to be manually pushed only when updated.
@@ -76,7 +76,7 @@ This new [contrib](https://github.com/falcosecurity/contrib) repository will be
### repository
"_Incubating level_" projects such as [falco-exporter](https://github.com/falco-exporter) can be promoted from `contrib` to their own repository.
"_Incubating level_" projects such as [falco-exporter](https://github.com/falco-exporter) can be promoted from `contrib` to their own repository.
This is done as needed, and can best be measured by the need to cut a release and use the GitHub release features. Again, this is at the discretion of the Falco open source community.
@@ -92,7 +92,7 @@ The *Part 1* is mainly intended as a cleanup process.
For each item not listed above, ask if it needs to be moved or deleted.
After the cleanup process, all items will match the *Part 1* of this proposal.
### Action Items
Here are SOME of the items that would need to be done, for example:

View File

@@ -0,0 +1,83 @@
# Falco Artifacts Storage
This document reflects the way we store the Falco artifacts.
## Terms & Definitions
- [Falco artifacts](./20200506-artifacts-scope-part-1.md)
- Bintray: artifacts distribution platform
## Packages
The Falco packages are **automatically** built and sent to [bintray](https://bintray.com/falcosecurity) in the following cases:
- a pull request gets merged into the master branch (**Falco development releases**)
- a new Falco release (git tag) happens on the master branch (**Falco stable releases**)
The only prerequisite is that the specific Falco source code builds successfully and that the tests pass.
As per [Falco Artifacts Scope (#1)](./20200506-artifacts-scope-part-1.md) proposal we provide three kind of Falco packages:
- DEB
- RPM
- Tarball
Thus, we have three repositories for the Falco stable releases:
- https://bintray.com/falcosecurity/deb
- https://bintray.com/falcosecurity/rpm
- https://bintray.com/falcosecurity/bin
And three repositories for the Falco development releases:
- https://bintray.com/falcosecurity/deb-dev
- https://bintray.com/falcosecurity/rpm-dev
- https://bintray.com/falcosecurity/bin-dev
## Drivers
The process of publishing a set of prebuilt Falco drivers is implemented by the **Drivers Build Grid (DBG)** in the [test-infra](https://github.com/falcosecurity/test-infra/tree/master/driverkit) repository (`driverkit` directory).
This process is driven by the configuration files (YAML) present in the `driverkit/config` directory in the [test-infra](https://github.com/falcosecurity/test-infra/tree/master/driverkit) repository.
Each of these files represents a prebuilt driver (eventually two: kernel module and eBPF probe, when possible) that will be published on [bintray](https://bintray.com/falcosecurity) if it builds correctly.
Every time the `driverkit/config` directory on the master branch has some changes from the previous commit the CI system, which you can find defined in the [.circleci/config.yml](https://github.com/falcosecurity/test-infra/blob/master/.circleci/config.yml) file, takes care of building and publishing all the drivers.
The driver versions we ship prebuilt drivers for are:
- the driver version associated with the last Falco stable version ([see here](https://github.com/falcosecurity/falco/blob/c4b7f17271d1a4ca533b2e672ecaaea5289ccdc5/cmake/modules/sysdig.cmake#L29))
- the driver version associated with the penultimate Falco stable version
The prebuilt drivers get published into [this](https://bintray.com/falcosecurity/driver) generic artifacts repository.
You can also visualize the full list of prebuilt drivers by driver version visiting this [URL](https://dl.bintray.com/falcosecurity/driver).
### Notice
The generation of new prebuilt drivers takes usually place with a frequency of 1-2 weeks, on a **best-effort** basis.
Thus, it can happen the list of available prebuilt drivers does not yet contain the driver version currently on Falco master.
Nevertheless, this process is an open, auditable, and transparent one.
So, by sending a pull-request towards [test-infra](https://github.com/falcosecurity/test-infra) repository containing the configuration YAML files you can help the Falco community stay on track.
Some pull-requests you can look at to create your own are:
- https://github.com/falcosecurity/test-infra/pull/165
- https://github.com/falcosecurity/test-infra/pull/163
- https://github.com/falcosecurity/test-infra/pull/162
While, the documentation of the YAML configuration files can be found [here](https://github.com/falcosecurity/driverkit/blob/master/README.md).
## Container images
As per Falco packages, also the Falco official container images are **automatically** published to the [dockerhub](https://hub.docker.com/r/falcosecurity/falco).
These images are built and published in two cases:
- a pull request gets merged into the master branch (**Falco development releases**)
- a new Falco release (git tag) happens (**Falco stable releases**)
For a detailed explanation of the container images we build and ship look at the following [documentation](https://github.com/falcosecurity/falco/blob/master/docker/README.md).

View File

@@ -0,0 +1,102 @@
# Falco Artifacts Cleanup
This document reflects when and how we clean up the Falco artifacts from their storage location.
## Motivation
The [bintray](https://bintray.com/falcosecurity) open-source plan offers 10GB free space for storing artifacts.
They also kindly granted us an additional 5GB of free space.
## Goal
Keep the storage space usage under 15GB by cleaning up the [Falco artifacts](./20200506-artifacts-scope-part-1.md) from the [storage](./20200818-artifacts-storage).
## Status
To be implemented.
## Packages
### Tarballs from Falco master
At the moment of writing this document, this kind of Falco package requires approx. 50MB (maximum detected size) of storage space.
Since, historically, the [bin-dev](https://bintray.com/falcosecurity/bin-dev) repository is the less used one, this document proposes to keep only the last 10 **Falco development releases** it contains.
This means that the [bin-dev](https://bintray.com/falcosecurity/bin-dev) repository will take at maximum 500MB of storage space.
### DEB from Falco master
At the moment of writing this document, this kind of Falco package requires approx. 5.1MB (maximum detected size) of storage space.
Historically, every Falco release is composed by less than 50 merges (upper limit).
So, to theoretically retain all the **Falco development releases** that led to a Falco stable release, this document proposes to keep the last 50 Falco DEB packages.
This means that the [deb-dev](https://bintray.com/falcosecurity/deb-dev) repository will take at maximum 255MB of storage space.
### RPM from Falco master
At the moment of writing this document, this kind of Falco package requires approx. 4.3MB (maximum detected size) of storage space.
For the same exact reasons explained above this document proposes to keep the last 50 Falco RPM packages.
This means that the [rpm-dev](https://bintray.com/falcosecurity/rpm-dev) repository will take at maximum 215MB of storage space.
### Stable releases
This document proposes to retain all the stable releases.
This means that all the Falco packages present in the Falco stable release repositories will be kept.
The [bin](https://bintray.com/falcosecurity/bin) repository contains a Falco tarball package for every release.
This means it grows in space of ~50MB each month.
The [deb](https://bintray.com/falcosecurity/deb) repository contains a Falco DEB package for every release.
This means it grows in space of ~5MB each month.
The [rpm](https://bintray.com/falcosecurity/rpm) repository contains a Falco RPM package for every release.
This means it grows in space of ~4.3MB each month.
### Considerations
Assuming the size of the packages does not surpass the numbers listed in the above sections, the **Falco development releases** will always take less that 1GB of artifacts storage space.
Assuming 12 stable releases at year, at the current size of packages, the **Falco stable releases** will take approx. 720MB of storage space every year.
### Implementation
The Falco CI will have a new CI job - called `cleanup/packages-dev` - responsible for removing the **Falco development releases** depending on the above plan.
This job will be triggered after the `publish/packages-dev` completed successfully.
## Drivers
As explained in the [Artifacts Storage](./20200818-artifacts-storage) proposal, we build the drivers for the **last two driver versions** associated with **latest Falco stable releases**.
Then, we store those drivers into a [generic bintray repository](https://bintray.com/falcosecurity/driver) from which the installation process automatically downloads them, if suitable.
This document proposes to implement a cleanup mechanism that deletes all the other driver versions available.
At the moment of writing, considering only the last two driver versions (**ae104eb**, **85c8895**) associated with the latest Falco stable releases, we ship ~340 eBPF drivers, each accounting for ~3.1MB of storage space, and 1512 kernel modules (~3.1MB size each, too).
Thus, we obtain an estimate of approx. 2.875GB for **each** driver version.
This document proposes to only store the last two driver versions associates with the latest Falco stable releases. And deleting the other ones.
This way, assuming the number of prebuilt drivers does not skyrocket, we can reasonably estimate the storage space used by prebuilt drivers to be around 6GB.
Notice that, in case a Falco stable release will not depend on a new driver version, this means the last two driver versions will, in this case, cover more than the two Falco stable releases.
### Archivation
Since the process of building drivers is time and resource consuming, this document also proposes to move the driver versions in other storage facilities.
The candidate is an AWS S3 bucket responsible for holding the deleted driver version files.
### Implementation
The [test-infra](https://github.com/falcosecurity/test-infra) CI, specifically its part dedicated to run the **Drivers Build Grid** that runs every time it detects changes into the `driverkit` directory of the [test-infra](https://github.com/falcosecurity/test-infra) repository,
will have a new job - called `drivers/cleanup` - responsible for removing all the Falco driver versions except the last two.
This job will be triggered after the `drivers/publish` completed successfully on the master branch.

View File

@@ -37,8 +37,7 @@ if(DEFINED FALCO_COMPONENT)
COMPONENT "${FALCO_COMPONENT}"
DESTINATION "${FALCO_ETC_DIR}"
RENAME "${FALCO_LOCAL_RULES_DEST_FILENAME}")
# Intentionally *not* installing application_rules.yaml. Not needed when falco is embedded in other projects.
# Intentionally *not* installing application_rules.yaml. Not needed when falco is embedded in other projects.
else()
install(
FILES falco_rules.yaml
@@ -57,8 +56,8 @@ else()
install(
FILES application_rules.yaml
DESTINATION "/etc/falco/rules.available"
DESTINATION "${FALCO_ETC_DIR}/rules.available"
RENAME "${FALCO_APP_RULES_DEST_FILENAME}")
install(DIRECTORY DESTINATION "/etc/falco/rules.d")
install(DIRECTORY DESTINATION "${FALCO_ETC_DIR}/rules.d")
endif()

View File

@@ -1,5 +1,5 @@
#
# Copyright (C) 2019 The Falco Authors.
# Copyright (C) 2020 The Falco Authors.
#
#
# Licensed under the Apache License, Version 2.0 (the "License");
@@ -23,7 +23,7 @@
# change to this rules file, we'll uncomment this line and set it to
# the falco engine version in use at the time.
#
#- required_engine_version: 2
- required_engine_version: 7
# Currently disabled as read/write are ignored syscalls. The nearly
# similar open_write/open_read check for files being opened for
@@ -344,8 +344,8 @@
# for efficiency.
- macro: inbound_outbound
condition: >
(((evt.type in (accept,listen,connect) and evt.dir=<)) or
(fd.typechar = 4 or fd.typechar = 6) and
((((evt.type in (accept,listen,connect) and evt.dir=<)) or
(fd.typechar = 4 or fd.typechar = 6)) and
(fd.ip != "0.0.0.0" and fd.net != "127.0.0.0/8") and
(evt.rawres >= 0 or evt.res = EINPROGRESS))
@@ -368,7 +368,7 @@
- rule: Disallowed SSH Connection
desc: Detect any new ssh connection to a host other than those in an allowed group of hosts
condition: (inbound_outbound) and ssh_port and not allowed_ssh_hosts
output: Disallowed SSH Connection (command=%proc.cmdline connection=%fd.name user=%user.name container_id=%container.id image=%container.image.repository)
output: Disallowed SSH Connection (command=%proc.cmdline connection=%fd.name user=%user.name user_loginuid=%user.loginuid container_id=%container.id image=%container.image.repository)
priority: NOTICE
tags: [network, mitre_remote_service]
@@ -399,7 +399,7 @@
((fd.sip in (allowed_outbound_destination_ipaddrs)) or
(fd.snet in (allowed_outbound_destination_networks)) or
(fd.sip.name in (allowed_outbound_destination_domains)))
output: Disallowed outbound connection destination (command=%proc.cmdline connection=%fd.name user=%user.name container_id=%container.id image=%container.image.repository)
output: Disallowed outbound connection destination (command=%proc.cmdline connection=%fd.name user=%user.name user_loginuid=%user.loginuid container_id=%container.id image=%container.image.repository)
priority: NOTICE
tags: [network]
@@ -422,7 +422,7 @@
((fd.cip in (allowed_inbound_source_ipaddrs)) or
(fd.cnet in (allowed_inbound_source_networks)) or
(fd.cip.name in (allowed_inbound_source_domains)))
output: Disallowed inbound connection source (command=%proc.cmdline connection=%fd.name user=%user.name container_id=%container.id image=%container.image.repository)
output: Disallowed inbound connection source (command=%proc.cmdline connection=%fd.name user=%user.name user_loginuid=%user.loginuid container_id=%container.id image=%container.image.repository)
priority: NOTICE
tags: [network]
@@ -461,7 +461,7 @@
and not proc.name in (shell_binaries)
and not exe_running_docker_save
output: >
a shell configuration file has been modified (user=%user.name command=%proc.cmdline pcmdline=%proc.pcmdline file=%fd.name container_id=%container.id image=%container.image.repository)
a shell configuration file has been modified (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline pcmdline=%proc.pcmdline file=%fd.name container_id=%container.id image=%container.image.repository)
priority:
WARNING
tags: [file, mitre_persistence]
@@ -483,7 +483,7 @@
fd.directory in (shell_config_directories)) and
(not proc.name in (shell_binaries))
output: >
a shell configuration file was read by a non-shell program (user=%user.name command=%proc.cmdline file=%fd.name container_id=%container.id image=%container.image.repository)
a shell configuration file was read by a non-shell program (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline file=%fd.name container_id=%container.id image=%container.image.repository)
priority:
WARNING
tags: [file, mitre_discovery]
@@ -502,7 +502,7 @@
consider_all_cron_jobs and
not user_known_cron_jobs
output: >
Cron jobs were scheduled to run (user=%user.name command=%proc.cmdline
Cron jobs were scheduled to run (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline
file=%fd.name container_id=%container.id container_name=%container.name image=%container.image.repository:%container.image.tag)
priority:
NOTICE
@@ -512,8 +512,8 @@
# When displaying container information in the output field, use
# %container.info, without any leading term (file=%fd.name
# %container.info user=%user.name, and not file=%fd.name
# container=%container.info user=%user.name). The output will change
# %container.info user=%user.name user_loginuid=%user.loginuid, and not file=%fd.name
# container=%container.info user=%user.name user_loginuid=%user.loginuid). The output will change
# based on the context and whether or not -pk/-pm/-pc was specified on
# the command line.
- macro: container
@@ -696,8 +696,8 @@
- macro: run_by_foreman
condition: >
(user.name=foreman and
(proc.pname in (rake, ruby, scl) and proc.aname[5] in (tfm-rake,tfm-ruby)) or
(proc.pname=scl and proc.aname[2] in (tfm-rake,tfm-ruby)))
((proc.pname in (rake, ruby, scl) and proc.aname[5] in (tfm-rake,tfm-ruby)) or
(proc.pname=scl and proc.aname[2] in (tfm-rake,tfm-ruby))))
- macro: java_running_sdjagent
condition: proc.name=java and proc.cmdline contains sdjagent.jar
@@ -746,6 +746,13 @@
- macro: runuser_reading_pam
condition: (proc.name=runuser and fd.directory=/etc/pam.d)
# CIS Linux Benchmark program
- macro: linux_bench_reading_etc_shadow
condition: ((proc.aname[2]=linux-bench and
proc.name in (awk,cut,grep)) and
(fd.name=/etc/shadow or
fd.directory=/etc/pam.d))
- macro: parent_ucf_writing_conf
condition: (proc.pname=ucf and proc.aname[2]=frontend)
@@ -928,10 +935,12 @@
items: [sources.list]
- list: repository_directories
items: [/etc/apt/sources.list.d, /etc/yum.repos.d]
items: [/etc/apt/sources.list.d, /etc/yum.repos.d, /etc/apt]
- macro: access_repositories
condition: (fd.filename in (repository_files) or fd.directory in (repository_directories))
condition: (fd.directory in (repository_directories) or
(fd.name pmatch (repository_directories) and
fd.filename in (repository_files)))
- macro: modify_repositories
condition: (evt.arg.newpath pmatch (repository_directories))
@@ -944,10 +953,11 @@
condition: >
((open_write and access_repositories) or (modify and modify_repositories))
and not package_mgmt_procs
and not package_mgmt_ancestor_procs
and not exe_running_docker_save
and not user_known_update_package_registry
output: >
Repository files get updated (user=%user.name command=%proc.cmdline pcmdline=%proc.pcmdline file=%fd.name newpath=%evt.arg.newpath container_id=%container.id image=%container.image.repository)
Repository files get updated (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline pcmdline=%proc.pcmdline file=%fd.name newpath=%evt.arg.newpath container_id=%container.id image=%container.image.repository)
priority:
NOTICE
tags: [filesystem, mitre_persistence]
@@ -968,7 +978,7 @@
and not python_running_ms_oms
and not user_known_write_below_binary_dir_activities
output: >
File below a known binary directory opened for writing (user=%user.name
File below a known binary directory opened for writing (user=%user.name user_loginuid=%user.loginuid
command=%proc.cmdline file=%fd.name parent=%proc.pname pcmdline=%proc.pcmdline gparent=%proc.aname[2] container_id=%container.id image=%container.image.repository)
priority: ERROR
tags: [filesystem, mitre_persistence]
@@ -1026,7 +1036,7 @@
and not cloud_init_writing_ssh
and not user_known_write_monitored_dir_conditions
output: >
File below a monitored directory opened for writing (user=%user.name
File below a monitored directory opened for writing (user=%user.name user_loginuid=%user.loginuid
command=%proc.cmdline file=%fd.name parent=%proc.pname pcmdline=%proc.pcmdline gparent=%proc.aname[2] container_id=%container.id image=%container.image.repository)
priority: ERROR
tags: [filesystem, mitre_persistence]
@@ -1049,7 +1059,7 @@
not user_known_read_ssh_information_activities and
not proc.name in (ssh_binaries))
output: >
ssh-related file/directory read by non-ssh program (user=%user.name
ssh-related file/directory read by non-ssh program (user=%user.name user_loginuid=%user.loginuid
command=%proc.cmdline file=%fd.name parent=%proc.pname pcmdline=%proc.pcmdline container_id=%container.id image=%container.image.repository)
priority: ERROR
tags: [filesystem, mitre_discovery]
@@ -1145,7 +1155,7 @@
- macro: redis_writing_conf
condition: >
(proc.name in (run-redis, redis-launcher.) and fd.name=/etc/redis.conf or fd.name startswith /etc/redis)
(proc.name in (run-redis, redis-launcher.) and (fd.name=/etc/redis.conf or fd.name startswith /etc/redis))
- macro: openvpn_writing_conf
condition: (proc.name in (openvpn,openvpn-entrypo) and fd.name startswith /etc/openvpn)
@@ -1173,7 +1183,10 @@
- macro: calico_writing_conf
condition: >
(proc.name = calico-node and fd.name startswith /etc/calico)
(((proc.name = calico-node) or
(container.image.repository=gcr.io/projectcalico-org/node and proc.name in (start_runit, cp)) or
(container.image.repository=gcr.io/projectcalico-org/cni and proc.name=sed))
and fd.name startswith /etc/calico)
- macro: prometheus_conf_writing_conf
condition: (proc.name=prometheus-conf and fd.name startswith /etc/prometheus/config_out)
@@ -1324,7 +1337,7 @@
- rule: Write below etc
desc: an attempt to write to any file below /etc
condition: write_etc_common
output: "File below /etc opened for writing (user=%user.name command=%proc.cmdline parent=%proc.pname pcmdline=%proc.pcmdline file=%fd.name program=%proc.name gparent=%proc.aname[2] ggparent=%proc.aname[3] gggparent=%proc.aname[4] container_id=%container.id image=%container.image.repository)"
output: "File below /etc opened for writing (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline parent=%proc.pname pcmdline=%proc.pcmdline file=%fd.name program=%proc.name gparent=%proc.aname[2] ggparent=%proc.aname[3] gggparent=%proc.aname[4] container_id=%container.id image=%container.image.repository)"
priority: ERROR
tags: [filesystem, mitre_persistence]
@@ -1393,10 +1406,14 @@
- macro: runc_writing_var_lib_docker
condition: (proc.cmdline="runc:[1:CHILD] init" and evt.arg.filename startswith /var/lib/docker)
- macro: mysqlsh_writing_state
condition: (proc.name=mysqlsh and fd.directory=/root/.mysqlsh)
- rule: Write below root
desc: an attempt to write to any file directly below / or /root
condition: >
root_dir and evt.dir = < and open_write
and proc_name_exists
and not fd.name in (known_root_files)
and not fd.directory pmatch (known_root_directories)
and not exe_running_docker_save
@@ -1413,10 +1430,11 @@
and not calico_writing_state
and not rancher_writing_root
and not runc_writing_exec_fifo
and not mysqlsh_writing_state
and not known_root_conditions
and not user_known_write_root_conditions
and not user_known_write_below_root_activities
output: "File below / or /root opened for writing (user=%user.name command=%proc.cmdline parent=%proc.pname file=%fd.name program=%proc.name container_id=%container.id image=%container.image.repository)"
output: "File below / or /root opened for writing (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline parent=%proc.pname file=%fd.name program=%proc.name container_id=%container.id image=%container.image.repository)"
priority: ERROR
tags: [filesystem, mitre_persistence]
@@ -1433,7 +1451,7 @@
at startup to load initial state, but not afterwards.
condition: sensitive_files and open_read and server_procs and not proc_is_new and proc.name!="sshd" and not user_known_read_sensitive_files_activities
output: >
Sensitive file opened for reading by trusted program after startup (user=%user.name
Sensitive file opened for reading by trusted program after startup (user=%user.name user_loginuid=%user.loginuid
command=%proc.cmdline parent=%proc.pname file=%fd.name parent=%proc.pname gparent=%proc.aname[2] container_id=%container.id image=%container.image.repository)
priority: WARNING
tags: [filesystem, mitre_credential_access]
@@ -1475,7 +1493,9 @@
and not proc.name in (user_mgmt_binaries, userexec_binaries, package_mgmt_binaries,
cron_binaries, read_sensitive_file_binaries, shell_binaries, hids_binaries,
vpn_binaries, mail_config_binaries, nomachine_binaries, sshkit_script_binaries,
in.proftpd, mandb, salt-minion, postgres_mgmt_binaries)
in.proftpd, mandb, salt-minion, postgres_mgmt_binaries,
google_oslogin_
)
and not cmp_cp_by_passwd
and not ansible_running_python
and not proc.cmdline contains /usr/bin/mandb
@@ -1488,10 +1508,11 @@
and not veritas_driver_script
and not perl_running_centrifydc
and not runuser_reading_pam
and not linux_bench_reading_etc_shadow
and not user_known_read_sensitive_files_activities
and not user_read_sensitive_file_containers
output: >
Sensitive file opened for reading by non-trusted program (user=%user.name program=%proc.name
Sensitive file opened for reading by non-trusted program (user=%user.name user_loginuid=%user.loginuid program=%proc.name
command=%proc.cmdline file=%fd.name parent=%proc.pname gparent=%proc.aname[2] ggparent=%proc.aname[3] gggparent=%proc.aname[4] container_id=%container.id image=%container.image.repository)
priority: WARNING
tags: [filesystem, mitre_credential_access, mitre_discovery]
@@ -1554,7 +1575,7 @@
and not postgres_running_wal_e
and not user_known_db_spawned_processes
output: >
Database-related program spawned process other than itself (user=%user.name
Database-related program spawned process other than itself (user=%user.name user_loginuid=%user.loginuid
program=%proc.cmdline parent=%proc.pname container_id=%container.id image=%container.image.repository)
priority: NOTICE
tags: [process, database, mitre_execution]
@@ -1566,7 +1587,7 @@
desc: an attempt to modify any file below a set of binary directories.
condition: bin_dir_rename and modify and not package_mgmt_procs and not exe_running_docker_save and not user_known_modify_bin_dir_activities
output: >
File below known binary directory renamed/removed (user=%user.name command=%proc.cmdline
File below known binary directory renamed/removed (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline
pcmdline=%proc.pcmdline operation=%evt.type file=%fd.name %evt.args container_id=%container.id image=%container.image.repository)
priority: ERROR
tags: [filesystem, mitre_persistence]
@@ -1578,7 +1599,7 @@
desc: an attempt to create a directory below a set of binary directories.
condition: mkdir and bin_dir_mkdir and not package_mgmt_procs and not user_known_mkdir_bin_dir_activities
output: >
Directory below known binary directory created (user=%user.name
Directory below known binary directory created (user=%user.name user_loginuid=%user.loginuid
command=%proc.cmdline directory=%evt.arg.path container_id=%container.id image=%container.image.repository)
priority: ERROR
tags: [filesystem, mitre_persistence]
@@ -1607,6 +1628,7 @@
as a part of creating a container) by calling setns.
condition: >
evt.type=setns and evt.dir=<
and proc_name_exists
and not (container.id=host and proc.name in (docker_binaries, k8s_binaries, lxd_binaries, nsenter))
and not proc.name in (sysdigcloud_binaries, sysdig, calico, oci-umount, cilium-cni, network_plugin_binaries)
and not proc.name in (user_known_change_thread_namespace_binaries)
@@ -1622,7 +1644,7 @@
and not weaveworks_scope
and not user_known_change_thread_namespace_activities
output: >
Namespace change (setns) by unexpected program (user=%user.name command=%proc.cmdline
Namespace change (setns) by unexpected program (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline
parent=%proc.pname %container.info container_id=%container.id image=%container.image.repository:%container.image.tag)
priority: NOTICE
tags: [process, mitre_privilege_escalation, mitre_lateral_movement]
@@ -1768,7 +1790,7 @@
and not run_by_appdynamics
and not user_shell_container_exclusions
output: >
Shell spawned by untrusted binary (user=%user.name shell=%proc.name parent=%proc.pname
Shell spawned by untrusted binary (user=%user.name user_loginuid=%user.loginuid shell=%proc.name parent=%proc.pname
cmdline=%proc.cmdline pcmdline=%proc.pcmdline gparent=%proc.aname[2] ggparent=%proc.aname[3]
aname[4]=%proc.aname[4] aname[5]=%proc.aname[5] aname[6]=%proc.aname[6] aname[7]=%proc.aname[7] container_id=%container.id image=%container.image.repository)
priority: DEBUG
@@ -1843,11 +1865,29 @@
# These container images are allowed to run with --privileged
- list: falco_privileged_images
items: [
docker.io/sysdig/falco, docker.io/sysdig/sysdig,
gcr.io/google_containers/kube-proxy, docker.io/calico/node, quay.io/calico/node,
docker.io/rook/toolbox, docker.io/cloudnativelabs/kube-router, docker.io/mesosphere/mesos-slave,
docker.io/docker/ucp-agent, sematext_images, k8s.gcr.io/kube-proxy,
docker.io/falcosecurity/falco, sysdig/falco, sysdig/sysdig, falcosecurity/falco
docker.io/calico/node,
docker.io/cloudnativelabs/kube-router,
docker.io/docker/ucp-agent,
docker.io/falcosecurity/falco,
docker.io/mesosphere/mesos-slave,
docker.io/rook/toolbox,
docker.io/sysdig/falco,
docker.io/sysdig/sysdig,
falcosecurity/falco,
gcr.io/google_containers/kube-proxy,
gcr.io/google-containers/startup-script,
gcr.io/projectcalico-org/node,
gke.gcr.io/kube-proxy,
gke.gcr.io/gke-metadata-server,
gke.gcr.io/netd-amd64,
gcr.io/google-containers/prometheus-to-sd,
k8s.gcr.io/ip-masq-agent-amd64,
k8s.gcr.io/kube-proxy,
k8s.gcr.io/prometheus-to-sd,
quay.io/calico/node,
sysdig/falco,
sysdig/sysdig,
sematext_images
]
- macro: falco_privileged_containers
@@ -1890,11 +1930,20 @@
condition: (user_trusted_containers or
container.image.repository in (trusted_images) or
container.image.repository in (falco_sensitive_mount_images) or
container.image.repository startswith quay.io/sysdig)
container.image.repository startswith quay.io/sysdig/)
# These container images are allowed to run with hostnetwork=true
- list: falco_hostnetwork_images
items: []
items: [
gcr.io/google-containers/prometheus-to-sd,
gcr.io/projectcalico-org/typha,
gcr.io/projectcalico-org/node,
gke.gcr.io/gke-metadata-server,
gke.gcr.io/kube-proxy,
gke.gcr.io/netd-amd64,
k8s.gcr.io/ip-masq-agent-amd64
k8s.gcr.io/prometheus-to-sd,
]
# Add conditions to this macro (probably in a separate file,
# overwriting this macro) to specify additional containers that are
@@ -1912,7 +1961,7 @@
and container.privileged=true
and not falco_privileged_containers
and not user_privileged_containers
output: Privileged container started (user=%user.name command=%proc.cmdline %container.info image=%container.image.repository:%container.image.tag)
output: Privileged container started (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline %container.info image=%container.image.repository:%container.image.tag)
priority: INFO
tags: [container, cis, mitre_privilege_escalation, mitre_lateral_movement]
@@ -1956,7 +2005,7 @@
and sensitive_mount
and not falco_sensitive_mount_containers
and not user_sensitive_mount_containers
output: Container with sensitive mount started (user=%user.name command=%proc.cmdline %container.info image=%container.image.repository:%container.image.tag mounts=%container.mounts)
output: Container with sensitive mount started (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline %container.info image=%container.image.repository:%container.image.tag mounts=%container.mounts)
priority: INFO
tags: [container, cis, mitre_lateral_movement]
@@ -1976,7 +2025,7 @@
desc: >
Detect the initial process started by a container that is not in a list of allowed containers.
condition: container_started and container and not allowed_containers
output: Container started and not in allowed list (user=%user.name command=%proc.cmdline %container.info image=%container.image.repository:%container.image.tag)
output: Container started and not in allowed list (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline %container.info image=%container.image.repository:%container.image.tag)
priority: WARNING
tags: [container, mitre_lateral_movement]
@@ -1991,7 +2040,7 @@
- rule: System user interactive
desc: an attempt to run interactive commands by a system (i.e. non-login) user
condition: spawned_process and system_users and interactive and not user_known_system_user_login
output: "System user ran an interactive command (user=%user.name command=%proc.cmdline container_id=%container.id image=%container.image.repository)"
output: "System user ran an interactive command (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline container_id=%container.id image=%container.image.repository)"
priority: INFO
tags: [users, mitre_remote_access_tools]
@@ -2008,7 +2057,7 @@
and container_entrypoint
and not user_expected_terminal_shell_in_container_conditions
output: >
A shell was spawned in a container with an attached terminal (user=%user.name %container.info
A shell was spawned in a container with an attached terminal (user=%user.name user_loginuid=%user.loginuid %container.info
shell=%proc.name parent=%proc.pname cmdline=%proc.cmdline terminal=%proc.tty container_id=%container.id image=%container.image.repository)
priority: NOTICE
tags: [container, shell, mitre_execution]
@@ -2084,7 +2133,7 @@
and not user_expected_system_procs_network_activity_conditions
output: >
Known system binary sent/received network traffic
(user=%user.name command=%proc.cmdline connection=%fd.name container_id=%container.id image=%container.image.repository)
(user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline connection=%fd.name container_id=%container.id image=%container.image.repository)
priority: NOTICE
tags: [network, mitre_exfiltration]
@@ -2122,7 +2171,7 @@
proc.env icontains HTTP_PROXY
output: >
Program run with disallowed HTTP_PROXY environment variable
(user=%user.name command=%proc.cmdline env=%proc.env parent=%proc.pname container_id=%container.id image=%container.image.repository)
(user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline env=%proc.env parent=%proc.pname container_id=%container.id image=%container.image.repository)
priority: NOTICE
tags: [host, users]
@@ -2145,7 +2194,7 @@
and interpreted_procs)
output: >
Interpreted program received/listened for network traffic
(user=%user.name command=%proc.cmdline connection=%fd.name container_id=%container.id image=%container.image.repository)
(user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline connection=%fd.name container_id=%container.id image=%container.image.repository)
priority: NOTICE
tags: [network, mitre_exfiltration]
@@ -2156,7 +2205,7 @@
and interpreted_procs)
output: >
Interpreted program performed outgoing network connection
(user=%user.name command=%proc.cmdline connection=%fd.name container_id=%container.id image=%container.image.repository)
(user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline connection=%fd.name container_id=%container.id image=%container.image.repository)
priority: NOTICE
tags: [network, mitre_exfiltration]
@@ -2197,7 +2246,7 @@
condition: (inbound_outbound) and do_unexpected_udp_check and fd.l4proto=udp and not expected_udp_traffic
output: >
Unexpected UDP Traffic Seen
(user=%user.name command=%proc.cmdline connection=%fd.name proto=%fd.l4proto evt=%evt.type %evt.args container_id=%container.id image=%container.image.repository)
(user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline connection=%fd.name proto=%fd.l4proto evt=%evt.type %evt.args container_id=%container.id image=%container.image.repository)
priority: NOTICE
tags: [network, mitre_exfiltration]
@@ -2256,7 +2305,7 @@
and not nrpe_becoming_nagios
and not user_known_non_sudo_setuid_conditions
output: >
Unexpected setuid call by non-sudo, non-root program (user=%user.name cur_uid=%user.uid parent=%proc.pname
Unexpected setuid call by non-sudo, non-root program (user=%user.name user_loginuid=%user.loginuid cur_uid=%user.uid parent=%proc.pname
command=%proc.cmdline uid=%evt.arg.uid container_id=%container.id image=%container.image.repository)
priority: NOTICE
tags: [users, mitre_privilege_escalation]
@@ -2285,7 +2334,7 @@
not user_known_user_management_activities
output: >
User management binary command run outside of container
(user=%user.name command=%proc.cmdline parent=%proc.pname gparent=%proc.aname[2] ggparent=%proc.aname[3] gggparent=%proc.aname[4])
(user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline parent=%proc.pname gparent=%proc.aname[2] ggparent=%proc.aname[3] gggparent=%proc.aname[4])
priority: NOTICE
tags: [host, users, mitre_persistence]
@@ -2309,7 +2358,7 @@
and not fd.name in (allowed_dev_files)
and not fd.name startswith /dev/tty
and not user_known_create_files_below_dev_activities
output: "File created below /dev by untrusted program (user=%user.name command=%proc.cmdline file=%fd.name container_id=%container.id image=%container.image.repository)"
output: "File created below /dev by untrusted program (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline file=%fd.name container_id=%container.id image=%container.image.repository)"
priority: ERROR
tags: [filesystem, mitre_persistence]
@@ -2427,7 +2476,7 @@
and not package_mgmt_ancestor_procs
and not user_known_package_manager_in_container
output: >
Package management process launched in container (user=%user.name
Package management process launched in container (user=%user.name user_loginuid=%user.loginuid
command=%proc.cmdline container_id=%container.id container_name=%container.name image=%container.image.repository:%container.image.tag)
priority: ERROR
tags: [process, mitre_persistence]
@@ -2441,7 +2490,7 @@
or proc.args contains "-c " or proc.args contains "--lua-exec"))
)
output: >
Netcat runs inside container that allows remote code execution (user=%user.name
Netcat runs inside container that allows remote code execution (user=%user.name user_loginuid=%user.loginuid
command=%proc.cmdline container_id=%container.id container_name=%container.name image=%container.image.repository:%container.image.tag)
priority: WARNING
tags: [network, process, mitre_execution]
@@ -2454,7 +2503,7 @@
condition: >
spawned_process and container and network_tool_procs and not user_known_network_tool_activities
output: >
Network tool launched in container (user=%user.name command=%proc.cmdline parent_process=%proc.pname
Network tool launched in container (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline parent_process=%proc.pname
container_id=%container.id container_name=%container.name image=%container.image.repository:%container.image.tag)
priority: NOTICE
tags: [network, process, mitre_discovery, mitre_exfiltration]
@@ -2474,7 +2523,7 @@
network_tool_procs and
not user_known_network_tool_activities
output: >
Network tool launched on host (user=%user.name command=%proc.cmdline parent_process=%proc.pname)
Network tool launched on host (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline parent_process=%proc.pname)
priority: NOTICE
tags: [network, process, mitre_discovery, mitre_exfiltration]
@@ -2510,7 +2559,7 @@
)
output: >
Grep private keys or passwords activities found
(user=%user.name command=%proc.cmdline container_id=%container.id container_name=%container.name
(user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline container_id=%container.id container_name=%container.name
image=%container.image.repository:%container.image.tag)
priority:
WARNING
@@ -2544,7 +2593,7 @@
not trusted_logging_images and
not allowed_clear_log_files
output: >
Log files were tampered (user=%user.name command=%proc.cmdline file=%fd.name container_id=%container.id image=%container.image.repository)
Log files were tampered (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline file=%fd.name container_id=%container.id image=%container.image.repository)
priority:
WARNING
tags: [file, mitre_defense_evasion]
@@ -2562,13 +2611,12 @@
desc: Detect process running to clear bulk data from disk
condition: spawned_process and clear_data_procs and not user_known_remove_data_activities
output: >
Bulk data has been removed from disk (user=%user.name command=%proc.cmdline file=%fd.name container_id=%container.id image=%container.image.repository)
Bulk data has been removed from disk (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline file=%fd.name container_id=%container.id image=%container.image.repository)
priority:
WARNING
tags: [process, mitre_persistence]
- rule: Delete or rename shell history
desc: Detect shell history deletion
- macro: modify_shell_history
condition: >
(modify and (
evt.arg.name contains "bash_history" or
@@ -2582,14 +2630,27 @@
evt.arg.path contains "bash_history" or
evt.arg.path contains "zsh_history" or
evt.arg.path contains "fish_read_history" or
evt.arg.path endswith "fish_history")) or
evt.arg.path endswith "fish_history"))
- macro: truncate_shell_history
condition: >
(open_write and (
fd.name contains "bash_history" or
fd.name contains "zsh_history" or
fd.name contains "fish_read_history" or
fd.name endswith "fish_history") and evt.arg.flags contains "O_TRUNC")
- macro: var_lib_docker_filepath
condition: (evt.arg.name startswith /var/lib/docker or fd.name startswith /var/lib/docker)
- rule: Delete or rename shell history
desc: Detect shell history deletion
condition: >
(modify_shell_history or truncate_shell_history) and
not var_lib_docker_filepath and
not proc.name in (docker_binaries)
output: >
Shell history had been deleted or renamed (user=%user.name type=%evt.type command=%proc.cmdline fd.name=%fd.name name=%evt.arg.name path=%evt.arg.path oldpath=%evt.arg.oldpath %container.info)
Shell history had been deleted or renamed (user=%user.name user_loginuid=%user.loginuid type=%evt.type command=%proc.cmdline fd.name=%fd.name name=%evt.arg.name path=%evt.arg.path oldpath=%evt.arg.oldpath %container.info)
priority:
WARNING
tags: [process, mitre_defense_evasion]
@@ -2602,7 +2663,7 @@
((spawned_process and proc.name in (shred, rm, mv) and proc.args contains "bash_history") or
(open_write and fd.name contains "bash_history" and evt.arg.flags contains "O_TRUNC"))
output: >
Shell history had been deleted or renamed (user=%user.name type=%evt.type command=%proc.cmdline fd.name=%fd.name name=%evt.arg.name path=%evt.arg.path oldpath=%evt.arg.oldpath %container.info)
Shell history had been deleted or renamed (user=%user.name user_loginuid=%user.loginuid type=%evt.type command=%proc.cmdline fd.name=%fd.name name=%evt.arg.name path=%evt.arg.path oldpath=%evt.arg.oldpath %container.info)
priority:
WARNING
tags: [process, mitre_defense_evasion]
@@ -2630,7 +2691,7 @@
and not exe_running_docker_save
and not user_known_set_setuid_or_setgid_bit_conditions
output: >
Setuid or setgid bit is set via chmod (fd=%evt.arg.fd filename=%evt.arg.filename mode=%evt.arg.mode user=%user.name process=%proc.name
Setuid or setgid bit is set via chmod (fd=%evt.arg.fd filename=%evt.arg.filename mode=%evt.arg.mode user=%user.name user_loginuid=%user.loginuid process=%proc.name
command=%proc.cmdline container_id=%container.id container_name=%container.name image=%container.image.repository:%container.image.tag)
priority:
NOTICE
@@ -2655,7 +2716,7 @@
consider_hidden_file_creation and
not user_known_create_hidden_file_activities
output: >
Hidden file or directory created (user=%user.name command=%proc.cmdline
Hidden file or directory created (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline
file=%fd.name newpath=%evt.arg.newpath container_id=%container.id container_name=%container.name image=%container.image.repository:%container.image.tag)
priority:
NOTICE
@@ -2672,7 +2733,7 @@
condition: >
spawned_process and container and remote_file_copy_procs
output: >
Remote file copy tool launched in container (user=%user.name command=%proc.cmdline parent_process=%proc.pname
Remote file copy tool launched in container (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline parent_process=%proc.pname
container_id=%container.id container_name=%container.name image=%container.image.repository:%container.image.tag)
priority: NOTICE
tags: [network, process, mitre_lateral_movement, mitre_exfiltration]
@@ -2683,7 +2744,7 @@
create_symlink and
(evt.arg.target in (sensitive_file_names) or evt.arg.target in (sensitive_directory_names))
output: >
Symlinks created over senstivie files (user=%user.name command=%proc.cmdline target=%evt.arg.target linkpath=%evt.arg.linkpath parent_process=%proc.pname)
Symlinks created over senstivie files (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline target=%evt.arg.target linkpath=%evt.arg.linkpath parent_process=%proc.pname)
priority: NOTICE
tags: [file, mitre_exfiltration]
@@ -2806,24 +2867,23 @@
- rule: The docker client is executed in a container
desc: Detect a k8s client tool executed inside a container
condition: spawned_process and container and not user_known_k8s_client_container_parens and proc.name in (k8s_client_binaries)
output: "Docker or kubernetes client executed in container (user=%user.name %container.info parent=%proc.pname cmdline=%proc.cmdline image=%container.image.repository:%container.image.tag)"
output: "Docker or kubernetes client executed in container (user=%user.name user_loginuid=%user.loginuid %container.info parent=%proc.pname cmdline=%proc.cmdline image=%container.image.repository:%container.image.tag)"
priority: WARNING
tags: [container, mitre_execution]
# This rule is not enabled by default, as there are legitimate use
# cases for raw packet. If you want to enable it, modify the
# following macro.
# This rule is enabled by default.
# If you want to disable it, modify the following macro.
- macro: consider_packet_socket_communication
condition: (never_true)
condition: (always_true)
- list: user_known_packet_socket_binaries
items: []
- rule: Packet socket created in container
desc: Detect new packet socket at the device driver (OSI Layer 2) level in a container. Packet socket could be used to do ARP Spoofing by attacker.
desc: Detect new packet socket at the device driver (OSI Layer 2) level in a container. Packet socket could be used for ARP Spoofing and privilege escalation(CVE-2020-14386) by attacker.
condition: evt.type=socket and evt.arg[0]=AF_PACKET and consider_packet_socket_communication and container and not proc.name in (user_known_packet_socket_binaries)
output: Packet socket was created in a container (user=%user.name command=%proc.cmdline socket_info=%evt.args container_id=%container.id container_name=%container.name image=%container.image.repository:%container.image.tag)
output: Packet socket was created in a container (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline socket_info=%evt.args container_id=%container.id container_name=%container.name image=%container.image.repository:%container.image.tag)
priority: NOTICE
tags: [network, mitre_discovery]
@@ -2862,7 +2922,7 @@
k8s.ns.name in (namespace_scope_network_only_subnet)
output: >
Network connection outside local subnet
(command=%proc.cmdline connection=%fd.name user=%user.name container_id=%container.id
(command=%proc.cmdline connection=%fd.name user=%user.name user_loginuid=%user.loginuid container_id=%container.id
image=%container.image.repository namespace=%k8s.ns.name
fd.rip.name=%fd.rip.name fd.lip.name=%fd.lip.name fd.cip.name=%fd.cip.name fd.sip.name=%fd.sip.name)
priority: WARNING
@@ -2902,7 +2962,7 @@
not fd.sport in (authorized_server_port)
output: >
Network connection outside authorized port and binary
(command=%proc.cmdline connection=%fd.name user=%user.name container_id=%container.id
(command=%proc.cmdline connection=%fd.name user=%user.name user_loginuid=%user.loginuid container_id=%container.id
image=%container.image.repository)
priority: WARNING
tags: [network]
@@ -2914,7 +2974,7 @@
desc: Detect redirecting stdout/stdin to network connection in container (potential reverse shell).
condition: evt.type=dup and evt.dir=> and container and fd.num in (0, 1, 2) and fd.type in ("ipv4", "ipv6") and not user_known_stand_streams_redirect_activities
output: >
Redirect stdout/stdin to network connection (user=%user.name %container.info process=%proc.name parent=%proc.pname cmdline=%proc.cmdline terminal=%proc.tty container_id=%container.id image=%container.image.repository fd.name=%fd.name fd.num=%fd.num fd.type=%fd.type fd.sip=%fd.sip)
Redirect stdout/stdin to network connection (user=%user.name user_loginuid=%user.loginuid %container.info process=%proc.name parent=%proc.pname cmdline=%proc.cmdline terminal=%proc.tty container_id=%container.id image=%container.image.repository fd.name=%fd.name fd.num=%fd.num fd.type=%fd.type fd.sip=%fd.sip)
priority: WARNING
# The two Container Drift rules below will fire when a new executable is created in a container.
@@ -2943,7 +3003,7 @@
((evt.arg.mode contains "S_IXUSR") or
(evt.arg.mode contains "S_IXGRP") or
(evt.arg.mode contains "S_IXOTH"))
output: Drift detected (chmod), new executable created in a container (user=%user.name command=%proc.cmdline filename=%evt.arg.filename name=%evt.arg.name mode=%evt.arg.mode event=%evt.type)
output: Drift detected (chmod), new executable created in a container (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline filename=%evt.arg.filename name=%evt.arg.name mode=%evt.arg.mode event=%evt.type)
priority: ERROR
# ****************************************************************************
@@ -2959,7 +3019,7 @@
not runc_writing_var_lib_docker and
not user_known_container_drift_activities and
evt.rawres>=0
output: Drift detected (open+create), new executable created in a container (user=%user.name command=%proc.cmdline filename=%evt.arg.filename name=%evt.arg.name mode=%evt.arg.mode event=%evt.type)
output: Drift detected (open+create), new executable created in a container (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline filename=%evt.arg.filename name=%evt.arg.name mode=%evt.arg.mode event=%evt.type)
priority: ERROR

View File

@@ -48,6 +48,8 @@
"minikube", "minikube-user", "kubelet", "kops", "admin", "kube", "kube-proxy", "kube-apiserver-healthcheck",
"kubernetes-admin",
vertical_pod_autoscaler_users,
cluster-autoscaler,
"system:addon-manager"
]
- rule: Disallowed K8s User
@@ -242,20 +244,48 @@
source: k8s_audit
tags: [k8s]
# Only defined for backwards compatibility. Use the more specific
# user_allowed_kube_namespace_image_list instead.
- list: user_trusted_image_list
items: []
- list: k8s_image_list
items: [k8s.gcr.io/kube-apiserver, kope/kube-apiserver-healthcheck]
- list: user_allowed_kube_namespace_image_list
items: [user_trusted_image_list]
- macro: trusted_pod
condition: (ka.req.pod.containers.image.repository in (user_trusted_image_list) or
ka.req.pod.containers.image.repository in (k8s_image_list))
# Only defined for backwards compatibility. Use the more specific
# allowed_kube_namespace_image_list instead.
- list: k8s_image_list
items: []
- list: allowed_kube_namespace_image_list
items: [
gcr.io/google-containers/prometheus-to-sd,
gcr.io/projectcalico-org/node,
gke.gcr.io/addon-resizer,
gke.gcr.io/heapster,
gke.gcr.io/gke-metadata-server,
k8s.gcr.io/ip-masq-agent-amd64,
k8s.gcr.io/kube-apiserver,
gke.gcr.io/kube-proxy,
gke.gcr.io/netd-amd64,
k8s.gcr.io/addon-resizer
k8s.gcr.io/prometheus-to-sd,
k8s.gcr.io/k8s-dns-dnsmasq-nanny-amd64,
k8s.gcr.io/k8s-dns-kube-dns-amd64,
k8s.gcr.io/k8s-dns-sidecar-amd64,
k8s.gcr.io/metrics-server-amd64,
kope/kube-apiserver-healthcheck,
k8s_image_list
]
- macro: allowed_kube_namespace_pods
condition: (ka.req.pod.containers.image.repository in (user_allowed_kube_namespace_image_list) or
ka.req.pod.containers.image.repository in (allowed_kube_namespace_image_list))
# Detect any new pod created in the kube-system namespace
- rule: Pod Created in Kube Namespace
desc: Detect any attempt to create a pod in the kube-system or kube-public namespaces
condition: kevt and pod and kcreate and ka.target.namespace in (kube-system, kube-public) and not trusted_pod
condition: kevt and pod and kcreate and ka.target.namespace in (kube-system, kube-public) and not allowed_kube_namespace_pods
output: Pod created in kube namespace (user=%ka.user.name pod=%ka.resp.name ns=%ka.target.namespace images=%ka.req.pod.containers.image)
priority: WARNING
source: k8s_audit
@@ -281,7 +311,8 @@
# normal operation.
- rule: System ClusterRole Modified/Deleted
desc: Detect any attempt to modify/delete a ClusterRole/Role starting with system
condition: kevt and (role or clusterrole) and (kmodify or kdelete) and (ka.target.name startswith "system:") and ka.target.name!="system:coredns"
condition: kevt and (role or clusterrole) and (kmodify or kdelete) and (ka.target.name startswith "system:") and
not ka.target.name in (system:coredns, system:managed-certificate-controller)
output: System ClusterRole/Role modified or deleted (user=%ka.user.name role=%ka.target.name ns=%ka.target.namespace action=%ka.verb)
priority: WARNING
source: k8s_audit

61
scripts/cleanup Executable file
View File

@@ -0,0 +1,61 @@
#!/usr/bin/env bash
usage() {
echo "usage: $0 -p 0987654321 -r <deb-dev|rpm-dev|bin-dev>"
exit 1
}
user=poiana
# Get the versions to delete.
#
# $1: repository to lookup
# $2: number of versions to skip.
get_versions() {
# The API endpoint returns the Falco package versions sort by most recent.
IFS=$'\n' read -r -d '' -a all < <(curl -s --header "Content-Type: application/json" "https://api.bintray.com/packages/falcosecurity/$1/falco" | jq -r '.versions | .[]' | tail -n "+$2")
}
# Remove all the versions (${all[@]} array).
#
# $1: repository containing the versions.
rem_versions() {
for i in "${!all[@]}";
do
JFROG_CLI_LOG_LEVEL=DEBUG jfrog bt vd --quiet --user "${user}" --key "${pass}" "falcosecurity/$1/falco/${all[$i]}"
done
}
while getopts ":p::r:" opt; do
case "${opt}" in
p )
pass=${OPTARG}
;;
r )
repo="${OPTARG}"
[[ "${repo}" == "deb-dev" || "${repo}" == "rpm-dev" || "${repo}" == "bin-dev" ]] || usage
;;
: )
echo "invalid option: ${OPTARG} requires an argument" 1>&2
exit 1
;;
\?)
echo "invalid option: ${OPTARG}" 1>&2
exit 1
;;
esac
done
shift $((OPTIND-1))
if [ -z "${pass}" ] || [ -z "${repo}" ]; then
usage
fi
skip=51
if [[ "${repo}" == "bin-dev" ]]; then
skip=11
fi
get_versions "${repo}" ${skip}
echo "number of versions to delete: ${#all[@]}"
rem_versions "${repo}"

View File

@@ -143,33 +143,41 @@ load_kernel_module_compile() {
# skip dkms on UEK hosts because it will always fail
if [[ $(uname -r) == *uek* ]]; then
echo "* Skipping dkms install for UEK host"
else
if hash dkms &>/dev/null; then
echo "* Trying to dkms install ${DRIVER_NAME} module"
if dkms install -m "${DRIVER_NAME}" -v "${DRIVER_VERSION}" -k "${KERNEL_RELEASE}" 2>/dev/null; then
echo "* ${DRIVER_NAME} module installed in dkms, trying to insmod"
if insmod "/var/lib/dkms/${DRIVER_NAME}/${DRIVER_VERSION}/${KERNEL_RELEASE}/${ARCH}/module/${DRIVER_NAME}.ko" > /dev/null 2>&1; then
echo "* Success: ${DRIVER_NAME} module found and loaded in dkms"
exit 0
elif insmod "/var/lib/dkms/${DRIVER_NAME}/${DRIVER_VERSION}/${KERNEL_RELEASE}/${ARCH}/module/${DRIVER_NAME}.ko.xz" > /dev/null 2>&1; then
echo "* Success: ${DRIVER_NAME} module found and loaded in dkms (xz)"
exit 0
else
echo "* Unable to insmod ${DRIVER_NAME} module"
fi
return
fi
if ! hash dkms &>/dev/null; then
echo "* Skipping dkms install (dkms not found)"
return
fi
# try to compile using all the available gcc versions
for CURRENT_GCC in $(which gcc) $(ls "$(dirname "$(which gcc)")"/gcc-* | grep 'gcc-[0-9]\+' | sort -r); do
echo "* Trying to dkms install ${DRIVER_NAME} module with GCC ${CURRENT_GCC}"
echo "#!/usr/bin/env bash" > /tmp/falco-dkms-make
echo "make CC=${CURRENT_GCC} \$@" >> /tmp/falco-dkms-make
chmod +x /tmp/falco-dkms-make
if dkms install --directive="MAKE='/tmp/falco-dkms-make'" -m "${DRIVER_NAME}" -v "${DRIVER_VERSION}" -k "${KERNEL_RELEASE}" 2>/dev/null; then
echo "* ${DRIVER_NAME} module installed in dkms, trying to insmod"
if insmod "/var/lib/dkms/${DRIVER_NAME}/${DRIVER_VERSION}/${KERNEL_RELEASE}/${ARCH}/module/${DRIVER_NAME}.ko" > /dev/null 2>&1; then
echo "* Success: ${DRIVER_NAME} module found and loaded in dkms"
exit 0
elif insmod "/var/lib/dkms/${DRIVER_NAME}/${DRIVER_VERSION}/${KERNEL_RELEASE}/${ARCH}/module/${DRIVER_NAME}.ko.xz" > /dev/null 2>&1; then
echo "* Success: ${DRIVER_NAME} module found and loaded in dkms (xz)"
exit 0
else
DKMS_LOG="/var/lib/dkms/${DRIVER_NAME}/${DRIVER_VERSION}/build/make.log"
if [ -f "${DKMS_LOG}" ]; then
echo "* Running dkms build failed, dumping ${DKMS_LOG}"
cat "${DKMS_LOG}"
else
echo "* Running dkms build failed, couldn't find ${DKMS_LOG}"
fi
echo "* Unable to insmod ${DRIVER_NAME} module"
fi
else
echo "* Skipping dkms install (dkms not found)"
DKMS_LOG="/var/lib/dkms/${DRIVER_NAME}/${DRIVER_VERSION}/build/make.log"
if [ -f "${DKMS_LOG}" ]; then
echo "* Running dkms build failed, dumping ${DKMS_LOG} (with GCC ${CURRENT_GCC})"
cat "${DKMS_LOG}"
else
echo "* Running dkms build failed, couldn't find ${DKMS_LOG} (with GCC ${CURRENT_GCC})"
fi
fi
fi
done
}
load_kernel_module_download() {

View File

@@ -18,5 +18,5 @@
desc: Detect any connect to the localhost network, using fd.net and the in operator
condition: evt.type=connect and fd.net in ("127.0.0.1/24")
output: Program connected to localhost network
(user=%user.name command=%proc.cmdline connection=%fd.name)
(user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline connection=%fd.name)
priority: INFO

View File

@@ -19,6 +19,13 @@ set -euo pipefail
SCRIPT=$(readlink -f $0)
SCRIPTDIR=$(dirname "$SCRIPT")
SKIP_PACKAGES_TESTS=${SKIP_PACKAGES_TESTS:-false}
# Trace file tarballs are now versioned. Any time a substantial change
# is made that affects the interaction of rules+engine and the trace
# files here, upload a new trace file zip file and change the version
# suffix here.
TRACE_FILES_VERSION=20200831
function download_trace_files() {
for TRACE in traces-positive traces-negative traces-info ; do
@@ -26,7 +33,7 @@ function download_trace_files() {
if [ "$OPT_BRANCH" != "none" ]; then
curl -fso "$TRACE_DIR/$TRACE.zip" https://s3.amazonaws.com/download.draios.com/falco-tests/$TRACE-$OPT_BRANCH.zip
else
curl -fso "$TRACE_DIR/$TRACE.zip" https://s3.amazonaws.com/download.draios.com/falco-tests/$TRACE.zip
curl -fso "$TRACE_DIR/$TRACE.zip" https://s3.amazonaws.com/download.draios.com/falco-tests/$TRACE-$TRACE_FILES_VERSION.zip
fi
unzip -d "$TRACE_DIR" "$TRACE_DIR/$TRACE.zip"
rm -rf "$TRACE_DIR/$TRACE.zip"
@@ -91,7 +98,13 @@ function run_tests() {
# as we're watching the return status when running avocado.
set +e
TEST_RC=0
for mult in $SCRIPTDIR/falco_traces.yaml $SCRIPTDIR/falco_tests.yaml $SCRIPTDIR/falco_tests_package.yaml $SCRIPTDIR/falco_k8s_audit_tests.yaml $SCRIPTDIR/falco_tests_psp.yaml; do
suites=($SCRIPTDIR/falco_traces.yaml $SCRIPTDIR/falco_tests.yaml $SCRIPTDIR/falco_k8s_audit_tests.yaml $SCRIPTDIR/falco_tests_psp.yaml)
if [ "$SKIP_PACKAGES_TESTS" = false ] ; then
suites+=($SCRIPTDIR/falco_tests_package.yaml)
fi
for mult in "${suites[@]}"; do
CMD="avocado run --mux-yaml $mult --job-results-dir $SCRIPTDIR/job-results -- $SCRIPTDIR/falco_test.py"
echo "Running $CMD"
BUILD_DIR=${OPT_BUILD_DIR} $CMD

View File

@@ -14,7 +14,11 @@
# License for the specific language governing permissions and limitations under
# the License.
#
set(FALCO_TESTS_SOURCES test_base.cpp engine/test_token_bucket.cpp engine/test_rulesets.cpp engine/test_falco_utils.cpp falco/test_webserver.cpp)
if(MINIMAL_BUILD)
set(FALCO_TESTS_SOURCES test_base.cpp engine/test_token_bucket.cpp engine/test_rulesets.cpp engine/test_falco_utils.cpp)
else()
set(FALCO_TESTS_SOURCES test_base.cpp engine/test_token_bucket.cpp engine/test_rulesets.cpp engine/test_falco_utils.cpp falco/test_webserver.cpp)
endif()
set(FALCO_TESTED_LIBRARIES falco_engine)
@@ -35,14 +39,25 @@ if(FALCO_BUILD_TESTS)
add_executable(falco_test ${FALCO_TESTS_SOURCES})
target_link_libraries(falco_test PUBLIC ${FALCO_TESTED_LIBRARIES})
target_include_directories(
falco_test
PUBLIC "${CATCH2_INCLUDE}"
"${FAKEIT_INCLUDE}"
"${PROJECT_SOURCE_DIR}/userspace/engine"
"${YAMLCPP_INCLUDE_DIR}"
"${CIVETWEB_INCLUDE_DIR}"
"${PROJECT_SOURCE_DIR}/userspace/falco")
if(MINIMAL_BUILD)
target_include_directories(
falco_test
PUBLIC "${CATCH2_INCLUDE}"
"${FAKEIT_INCLUDE}"
"${PROJECT_SOURCE_DIR}/userspace/engine"
"${YAMLCPP_INCLUDE_DIR}"
"${PROJECT_SOURCE_DIR}/userspace/falco")
else()
target_include_directories(
falco_test
PUBLIC "${CATCH2_INCLUDE}"
"${FAKEIT_INCLUDE}"
"${PROJECT_SOURCE_DIR}/userspace/engine"
"${YAMLCPP_INCLUDE_DIR}"
"${CIVETWEB_INCLUDE_DIR}"
"${PROJECT_SOURCE_DIR}/userspace/falco")
endif()
add_dependencies(falco_test catch2)
include(CMakeParseArguments)

View File

@@ -27,18 +27,32 @@ if(USE_BUNDLED_DEPS)
add_dependencies(falco_engine libyaml)
endif()
target_include_directories(
falco_engine
PUBLIC
"${LUAJIT_INCLUDE}"
"${NJSON_INCLUDE}"
"${CURL_INCLUDE_DIR}"
"${TBB_INCLUDE_DIR}"
"${STRING_VIEW_LITE_INCLUDE}"
"${SYSDIG_SOURCE_DIR}/userspace/libsinsp/third-party/jsoncpp"
"${SYSDIG_SOURCE_DIR}/userspace/libscap"
"${SYSDIG_SOURCE_DIR}/userspace/libsinsp"
"${PROJECT_BINARY_DIR}/userspace/engine")
if(MINIMAL_BUILD)
target_include_directories(
falco_engine
PUBLIC
"${LUAJIT_INCLUDE}"
"${NJSON_INCLUDE}"
"${TBB_INCLUDE_DIR}"
"${STRING_VIEW_LITE_INCLUDE}"
"${SYSDIG_SOURCE_DIR}/userspace/libsinsp/third-party/jsoncpp"
"${SYSDIG_SOURCE_DIR}/userspace/libscap"
"${SYSDIG_SOURCE_DIR}/userspace/libsinsp"
"${PROJECT_BINARY_DIR}/userspace/engine")
else()
target_include_directories(
falco_engine
PUBLIC
"${LUAJIT_INCLUDE}"
"${NJSON_INCLUDE}"
"${CURL_INCLUDE_DIR}"
"${TBB_INCLUDE_DIR}"
"${STRING_VIEW_LITE_INCLUDE}"
"${SYSDIG_SOURCE_DIR}/userspace/libsinsp/third-party/jsoncpp"
"${SYSDIG_SOURCE_DIR}/userspace/libscap"
"${SYSDIG_SOURCE_DIR}/userspace/libsinsp"
"${PROJECT_BINARY_DIR}/userspace/engine")
endif()
target_link_libraries(falco_engine "${FALCO_SINSP_LIBRARY}" "${LPEG_LIB}" "${LYAML_LIB}" "${LIBYAML_LIB}")

View File

@@ -1,5 +1,5 @@
/*
Copyright (C) 2019 The Falco Authors.
Copyright (C) 2020 The Falco Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
@@ -16,7 +16,7 @@ limitations under the License.
// The version of rules/filter fields/etc supported by this falco
// engine.
#define FALCO_ENGINE_VERSION (6)
#define FALCO_ENGINE_VERSION (7)
// This is the result of running "falco --list -N | sha256sum" and
// represents the fields supported by this version of falco. It's used

View File

@@ -13,32 +13,35 @@
configure_file("${SYSDIG_SOURCE_DIR}/userspace/sysdig/config_sysdig.h.in" config_sysdig.h)
add_custom_command(
OUTPUT
${CMAKE_CURRENT_BINARY_DIR}/version.grpc.pb.cc
${CMAKE_CURRENT_BINARY_DIR}/version.grpc.pb.h
${CMAKE_CURRENT_BINARY_DIR}/version.pb.cc
${CMAKE_CURRENT_BINARY_DIR}/version.pb.h
${CMAKE_CURRENT_BINARY_DIR}/outputs.grpc.pb.cc
${CMAKE_CURRENT_BINARY_DIR}/outputs.grpc.pb.h
${CMAKE_CURRENT_BINARY_DIR}/outputs.pb.cc
${CMAKE_CURRENT_BINARY_DIR}/outputs.pb.h
${CMAKE_CURRENT_BINARY_DIR}/schema.pb.cc
${CMAKE_CURRENT_BINARY_DIR}/schema.pb.h
COMMENT "Generate gRPC API"
# Falco gRPC Version API
DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/version.proto
COMMAND ${PROTOC} -I ${CMAKE_CURRENT_SOURCE_DIR} --cpp_out=. ${CMAKE_CURRENT_SOURCE_DIR}/version.proto
COMMAND ${PROTOC} -I ${CMAKE_CURRENT_SOURCE_DIR} --grpc_out=. --plugin=protoc-gen-grpc=${GRPC_CPP_PLUGIN}
${CMAKE_CURRENT_SOURCE_DIR}/version.proto
# Falco gRPC Outputs API
DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/outputs.proto
COMMAND ${PROTOC} -I ${CMAKE_CURRENT_SOURCE_DIR} --cpp_out=. ${CMAKE_CURRENT_SOURCE_DIR}/outputs.proto
${CMAKE_CURRENT_SOURCE_DIR}/schema.proto
COMMAND ${PROTOC} -I ${CMAKE_CURRENT_SOURCE_DIR} --grpc_out=. --plugin=protoc-gen-grpc=${GRPC_CPP_PLUGIN}
${CMAKE_CURRENT_SOURCE_DIR}/outputs.proto
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
if(NOT MINIMAL_BUILD)
add_custom_command(
OUTPUT
${CMAKE_CURRENT_BINARY_DIR}/version.grpc.pb.cc
${CMAKE_CURRENT_BINARY_DIR}/version.grpc.pb.h
${CMAKE_CURRENT_BINARY_DIR}/version.pb.cc
${CMAKE_CURRENT_BINARY_DIR}/version.pb.h
${CMAKE_CURRENT_BINARY_DIR}/outputs.grpc.pb.cc
${CMAKE_CURRENT_BINARY_DIR}/outputs.grpc.pb.h
${CMAKE_CURRENT_BINARY_DIR}/outputs.pb.cc
${CMAKE_CURRENT_BINARY_DIR}/outputs.pb.h
${CMAKE_CURRENT_BINARY_DIR}/schema.pb.cc
${CMAKE_CURRENT_BINARY_DIR}/schema.pb.h
COMMENT "Generate gRPC API"
# Falco gRPC Version API
DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/version.proto
COMMAND ${PROTOC} -I ${CMAKE_CURRENT_SOURCE_DIR} --cpp_out=. ${CMAKE_CURRENT_SOURCE_DIR}/version.proto
COMMAND ${PROTOC} -I ${CMAKE_CURRENT_SOURCE_DIR} --grpc_out=. --plugin=protoc-gen-grpc=${GRPC_CPP_PLUGIN}
${CMAKE_CURRENT_SOURCE_DIR}/version.proto
# Falco gRPC Outputs API
DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/outputs.proto
COMMAND ${PROTOC} -I ${CMAKE_CURRENT_SOURCE_DIR} --cpp_out=. ${CMAKE_CURRENT_SOURCE_DIR}/outputs.proto
${CMAKE_CURRENT_SOURCE_DIR}/schema.proto
COMMAND ${PROTOC} -I ${CMAKE_CURRENT_SOURCE_DIR} --grpc_out=. --plugin=protoc-gen-grpc=${GRPC_CPP_PLUGIN}
${CMAKE_CURRENT_SOURCE_DIR}/outputs.proto
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
endif()
if(MINIMAL_BUILD)
add_executable(
falco
configuration.cpp
@@ -47,66 +50,109 @@ add_executable(
event_drops.cpp
statsfilewriter.cpp
falco.cpp
"${SYSDIG_SOURCE_DIR}/userspace/sysdig/fields_info.cpp"
webserver.cpp
grpc_context.cpp
grpc_server_impl.cpp
grpc_request_context.cpp
grpc_server.cpp
${CMAKE_CURRENT_BINARY_DIR}/version.grpc.pb.cc
${CMAKE_CURRENT_BINARY_DIR}/version.pb.cc
${CMAKE_CURRENT_BINARY_DIR}/outputs.grpc.pb.cc
${CMAKE_CURRENT_BINARY_DIR}/outputs.pb.cc
${CMAKE_CURRENT_BINARY_DIR}/schema.pb.cc)
"${SYSDIG_SOURCE_DIR}/userspace/sysdig/fields_info.cpp")
else()
add_executable(
falco
configuration.cpp
logger.cpp
falco_outputs.cpp
event_drops.cpp
statsfilewriter.cpp
falco.cpp
"${SYSDIG_SOURCE_DIR}/userspace/sysdig/fields_info.cpp"
webserver.cpp
grpc_context.cpp
grpc_server_impl.cpp
grpc_request_context.cpp
grpc_server.cpp
${CMAKE_CURRENT_BINARY_DIR}/version.grpc.pb.cc
${CMAKE_CURRENT_BINARY_DIR}/version.pb.cc
${CMAKE_CURRENT_BINARY_DIR}/outputs.grpc.pb.cc
${CMAKE_CURRENT_BINARY_DIR}/outputs.pb.cc
${CMAKE_CURRENT_BINARY_DIR}/schema.pb.cc)
add_dependencies(falco civetweb string-view-lite)
add_dependencies(falco civetweb)
endif()
add_dependencies(falco string-view-lite)
if(USE_BUNDLED_DEPS)
add_dependencies(falco yamlcpp)
endif()
target_include_directories(
falco
PUBLIC
"${SYSDIG_SOURCE_DIR}/userspace/sysdig"
"${PROJECT_SOURCE_DIR}/userspace/engine"
"${PROJECT_BINARY_DIR}/userspace/falco"
"${PROJECT_BINARY_DIR}/driver/src"
"${STRING_VIEW_LITE_INCLUDE}"
"${YAMLCPP_INCLUDE_DIR}"
"${CIVETWEB_INCLUDE_DIR}"
"${OPENSSL_INCLUDE_DIR}"
"${GRPC_INCLUDE}"
"${GRPCPP_INCLUDE}"
"${PROTOBUF_INCLUDE}"
"${CMAKE_CURRENT_BINARY_DIR}"
"${DRAIOS_DEPENDENCIES_DIR}/yaml-${DRAIOS_YAML_VERSION}/target/include")
if(MINIMAL_BUILD)
target_include_directories(
falco
PUBLIC
"${SYSDIG_SOURCE_DIR}/userspace/sysdig"
"${PROJECT_SOURCE_DIR}/userspace/engine"
"${PROJECT_BINARY_DIR}/userspace/falco"
"${PROJECT_BINARY_DIR}/driver/src"
"${STRING_VIEW_LITE_INCLUDE}"
"${YAMLCPP_INCLUDE_DIR}"
"${CMAKE_CURRENT_BINARY_DIR}"
"${DRAIOS_DEPENDENCIES_DIR}/yaml-${DRAIOS_YAML_VERSION}/target/include")
target_link_libraries(
falco
falco_engine
sinsp
"${GPR_LIB}"
"${GRPC_LIB}"
"${GRPCPP_LIB}"
"${PROTOBUF_LIB}"
"${OPENSSL_LIBRARY_SSL}"
"${OPENSSL_LIBRARY_CRYPTO}"
"${LIBYAML_LIB}"
"${YAMLCPP_LIB}"
"${CIVETWEB_LIB}")
target_link_libraries(
falco
falco_engine
sinsp
"${LIBYAML_LIB}"
"${YAMLCPP_LIB}")
else()
target_include_directories(
falco
PUBLIC
"${SYSDIG_SOURCE_DIR}/userspace/sysdig"
"${PROJECT_SOURCE_DIR}/userspace/engine"
"${PROJECT_BINARY_DIR}/userspace/falco"
"${PROJECT_BINARY_DIR}/driver/src"
"${STRING_VIEW_LITE_INCLUDE}"
"${YAMLCPP_INCLUDE_DIR}"
"${CIVETWEB_INCLUDE_DIR}"
"${OPENSSL_INCLUDE_DIR}"
"${GRPC_INCLUDE}"
"${GRPCPP_INCLUDE}"
"${PROTOBUF_INCLUDE}"
"${CMAKE_CURRENT_BINARY_DIR}"
"${DRAIOS_DEPENDENCIES_DIR}/yaml-${DRAIOS_YAML_VERSION}/target/include")
target_link_libraries(
falco
falco_engine
sinsp
"${GPR_LIB}"
"${GRPC_LIB}"
"${GRPCPP_LIB}"
"${PROTOBUF_LIB}"
"${OPENSSL_LIBRARY_SSL}"
"${OPENSSL_LIBRARY_CRYPTO}"
"${LIBYAML_LIB}"
"${YAMLCPP_LIB}"
"${CIVETWEB_LIB}")
endif()
configure_file(config_falco.h.in config_falco.h)
add_custom_command(
TARGET falco
COMMAND bash ${CMAKE_CURRENT_SOURCE_DIR}/verify_engine_fields.sh ${CMAKE_SOURCE_DIR} ${OPENSSL_BINARY}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
COMMENT "Comparing engine fields checksum in falco_engine.h to actual fields")
if(NOT MINIMAL_BUILD)
add_custom_command(
TARGET falco
COMMAND bash ${CMAKE_CURRENT_SOURCE_DIR}/verify_engine_fields.sh ${CMAKE_SOURCE_DIR}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
COMMENT "Comparing engine fields checksum in falco_engine.h to actual fields")
else()
MESSAGE(STATUS "Skipping engine fields checksum when building the minimal Falco.")
endif()
# add_custom_target(verify_engine_fields DEPENDS verify_engine_fields.sh falco_engine.h)
# add_dependencies(verify_engine_fields falco)
# strip the Falco binary when releasing using musl
if(MUSL_OPTIMIZED_BUILD AND CMAKE_BUILD_TYPE STREQUAL "release")
add_custom_command(
TARGET falco
POST_BUILD
COMMAND ${CMAKE_STRIP} --strip-unneeded falco
COMMENT "Strip the Falco binary when releasing the musl build")
endif()
install(TARGETS falco DESTINATION ${FALCO_BIN_DIR})
install(

View File

@@ -43,8 +43,10 @@ limitations under the License.
#include "falco_engine.h"
#include "config_falco.h"
#include "statsfilewriter.h"
#ifndef MINIMAL_BUILD
#include "webserver.h"
#include "grpc_server.h"
#endif
#include "banned.h" // This raises a compilation error when certain functions are used
typedef function<void(sinsp* inspector)> open_t;
@@ -84,6 +86,7 @@ static void usage()
" -h, --help Print this page\n"
" -c Configuration file (default " FALCO_SOURCE_CONF_FILE ", " FALCO_INSTALL_CONF_FILE ")\n"
" -A Monitor all events, including those with EF_DROP_SIMPLE_CONS flag.\n"
" --alternate-lua-dir <path> Specify an alternate path for loading Falco lua files\n"
" -b, --print-base64 Print data buffers in base64.\n"
" This is useful for encoding binary data that needs to be used over media designed to.\n"
" --cri <path> Path to CRI socket for container metadata.\n"
@@ -104,6 +107,7 @@ static void usage()
" Can not be specified with -t.\n"
" -e <events_file> Read the events from <events_file> (in .scap format for sinsp events, or jsonl for\n"
" k8s audit events) instead of tapping into live.\n"
#ifndef MINIMAL_BUILD
" -k <url>, --k8s-api <url>\n"
" Enable Kubernetes support by connecting to the API server specified as argument.\n"
" E.g. \"http://admin:password@127.0.0.1:8080\".\n"
@@ -117,15 +121,18 @@ static void usage()
" for this option, it will be interpreted as the name of a file containing bearer token.\n"
" Note that the format of this command-line option prohibits use of files whose names contain\n"
" ':' or '#' characters in the file name.\n"
#endif
" -L Show the name and description of all rules and exit.\n"
" -l <rule> Show the name and description of the rule with name <rule> and exit.\n"
" --list [<source>] List all defined fields. If <source> is provided, only list those fields for\n"
" the source <source>. Current values for <source> are \"syscall\", \"k8s_audit\"\n"
#ifndef MINIMAL_BUILD
" -m <url[,marathon_url]>, --mesos-api <url[,marathon_url]>\n"
" Enable Mesos support by connecting to the API server\n"
" specified as argument. E.g. \"http://admin:password@127.0.0.1:5050\".\n"
" Marathon url is optional and defaults to Mesos address, port 8080.\n"
" The API servers can also be specified via the environment variable FALCO_MESOS_API.\n"
#endif
" -M <num_seconds> Stop collecting after <num_seconds> reached.\n"
" -N When used with --list, only print field names.\n"
" -o, --option <key>=<val> Set the value of option <key> to <val>. Overrides values in configuration file.\n"
@@ -185,6 +192,7 @@ static void display_fatal_err(const string &msg)
// Splitting into key=value or key.subkey=value will be handled by configuration class.
std::list<string> cmdline_options;
#ifndef MINIMAL_BUILD
// Read a jsonl file containing k8s audit events and pass each to the engine.
void read_k8s_audit_trace_file(falco_engine *engine,
falco_outputs *outputs,
@@ -213,6 +221,7 @@ void read_k8s_audit_trace_file(falco_engine *engine,
}
}
}
#endif
static std::string read_file(std::string filename)
{
@@ -429,9 +438,11 @@ int falco_init(int argc, char **argv)
bool verbose = false;
bool names_only = false;
bool all_events = false;
#ifndef MINIMAL_BUILD
string* k8s_api = 0;
string* k8s_api_cert = 0;
string* mesos_api = 0;
#endif
string output_format = "";
uint32_t snaplen = 0;
bool replace_container_info = false;
@@ -461,42 +472,45 @@ int falco_init(int argc, char **argv)
double duration;
scap_stats cstats;
#ifndef MINIMAL_BUILD
falco_webserver webserver;
falco::grpc::server grpc_server;
std::thread grpc_server_thread;
#endif
static struct option long_options[] =
{
{"cri", required_argument, 0},
{"daemon", no_argument, 0, 'd'},
{"disable-cri-async", no_argument, 0, 0},
{"disable-source", required_argument, 0},
{"help", no_argument, 0, 'h'},
{"ignored-events", no_argument, 0, 'i'},
{"k8s-api-cert", required_argument, 0, 'K'},
{"k8s-api", required_argument, 0, 'k'},
{"list", optional_argument, 0},
{"mesos-api", required_argument, 0, 'm'},
{"option", required_argument, 0, 'o'},
{"pidfile", required_argument, 0, 'P'},
{"print-base64", no_argument, 0, 'b'},
{"print", required_argument, 0, 'p'},
{"snaplen", required_argument, 0, 'S'},
{"stats-interval", required_argument, 0},
{"support", no_argument, 0},
{"unbuffered", no_argument, 0, 'U'},
{"userspace", no_argument, 0, 'u'},
{"validate", required_argument, 0, 'V'},
{"version", no_argument, 0, 0},
{"writefile", required_argument, 0, 'w'},
{0, 0, 0, 0}
};
{
{"alternate-lua-dir", required_argument, 0},
{"cri", required_argument, 0},
{"daemon", no_argument, 0, 'd'},
{"disable-cri-async", no_argument, 0, 0},
{"disable-source", required_argument, 0},
{"help", no_argument, 0, 'h'},
{"ignored-events", no_argument, 0, 'i'},
{"k8s-api-cert", required_argument, 0, 'K'},
{"k8s-api", required_argument, 0, 'k'},
{"list", optional_argument, 0},
{"mesos-api", required_argument, 0, 'm'},
{"option", required_argument, 0, 'o'},
{"pidfile", required_argument, 0, 'P'},
{"print-base64", no_argument, 0, 'b'},
{"print", required_argument, 0, 'p'},
{"snaplen", required_argument, 0, 'S'},
{"stats-interval", required_argument, 0},
{"support", no_argument, 0},
{"unbuffered", no_argument, 0, 'U'},
{"userspace", no_argument, 0, 'u'},
{"validate", required_argument, 0, 'V'},
{"version", no_argument, 0, 0},
{"writefile", required_argument, 0, 'w'},
{0, 0, 0, 0}};
try
{
set<string> disabled_rule_substrings;
string substring;
string all_rules = "";
string alternate_lua_dir = FALCO_ENGINE_SOURCE_LUA_DIR;
set<string> disabled_rule_tags;
set<string> enabled_rule_tags;
@@ -530,8 +544,10 @@ int falco_init(int argc, char **argv)
break;
case 'e':
trace_filename = optarg;
#ifndef MINIMAL_BUILD
k8s_api = new string();
mesos_api = new string();
#endif
break;
case 'F':
list_flds = optarg;
@@ -539,21 +555,25 @@ int falco_init(int argc, char **argv)
case 'i':
print_ignored_events = true;
break;
#ifndef MINIMAL_BUILD
case 'k':
k8s_api = new string(optarg);
break;
case 'K':
k8s_api_cert = new string(optarg);
break;
#endif
case 'L':
describe_all_rules = true;
break;
case 'l':
describe_rule = optarg;
break;
#ifndef MINIMAL_BUILD
case 'm':
mesos_api = new string(optarg);
break;
#endif
case 'M':
duration_to_tot = atoi(optarg);
if(duration_to_tot <= 0)
@@ -668,6 +688,16 @@ int falco_init(int argc, char **argv)
disable_sources.insert(optarg);
}
}
else if (string(long_options[long_index].name)== "alternate-lua-dir")
{
if(optarg != NULL)
{
alternate_lua_dir = optarg;
if (alternate_lua_dir.back() != '/') {
alternate_lua_dir += '/';
}
}
}
break;
default:
@@ -703,7 +733,7 @@ int falco_init(int argc, char **argv)
return EXIT_SUCCESS;
}
engine = new falco_engine();
engine = new falco_engine(true, alternate_lua_dir);
engine->set_inspector(inspector);
engine->set_extra(output_format, replace_container_info);
@@ -947,7 +977,8 @@ int falco_init(int argc, char **argv)
config.m_notifications_rate, config.m_notifications_max_burst,
config.m_buffered_outputs,
config.m_time_format_iso_8601,
hostname);
hostname,
alternate_lua_dir);
if(!all_events)
{
@@ -1074,6 +1105,12 @@ int falco_init(int argc, char **argv)
if(!trace_is_scap)
{
#ifdef MINIMAL_BUILD
// Note that the webserver is not available when MINIMAL_BUILD is defined.
fprintf(stderr, "Cannot use k8s audit events trace file with a minimal Falco build");
result = EXIT_FAILURE;
goto exit;
#else
try {
string line;
nlohmann::json j;
@@ -1098,6 +1135,7 @@ int falco_init(int argc, char **argv)
result = EXIT_FAILURE;
goto exit;
}
#endif
}
}
else
@@ -1143,11 +1181,14 @@ int falco_init(int argc, char **argv)
// Try to insert the Falco kernel module
if(system("modprobe " PROBE_NAME " > /dev/null 2> /dev/null"))
{
falco_logger::log(LOG_ERR, "Unable to load the driver. Exiting.\n");
falco_logger::log(LOG_ERR, "Unable to load the driver.\n");
}
open_f(inspector);
}
else
{
rethrow_exception(current_exception());
}
rethrow_exception(current_exception());
}
}
@@ -1165,6 +1206,7 @@ int falco_init(int argc, char **argv)
duration = ((double)clock()) / CLOCKS_PER_SEC;
#ifndef MINIMAL_BUILD
//
// Run k8s, if required
//
@@ -1248,12 +1290,15 @@ int falco_init(int argc, char **argv)
grpc_server.run();
});
}
#endif
if(!trace_filename.empty() && !trace_is_scap)
{
#ifndef MINIMAL_BUILD
read_k8s_audit_trace_file(engine,
outputs,
trace_filename);
#endif
}
else
{
@@ -1299,12 +1344,14 @@ int falco_init(int argc, char **argv)
inspector->close();
engine->print_stats();
sdropmgr.print_stats();
#ifndef MINIMAL_BUILD
webserver.stop();
if(grpc_server_thread.joinable())
{
grpc_server.shutdown();
grpc_server_thread.join();
}
#endif
}
catch(exception &e)
{
@@ -1312,12 +1359,14 @@ int falco_init(int argc, char **argv)
result = EXIT_FAILURE;
#ifndef MINIMAL_BUILD
webserver.stop();
if(grpc_server_thread.joinable())
{
grpc_server.shutdown();
grpc_server_thread.join();
}
#endif
}
exit:

View File

@@ -14,7 +14,9 @@ See the License for the specific language governing permissions and
limitations under the License.
*/
#ifndef MINIMAL_BUILD
#include <google/protobuf/util/time_util.h>
#endif
#include "falco_outputs.h"
@@ -22,15 +24,19 @@ limitations under the License.
#include "formats.h"
#include "logger.h"
#ifndef MINIMAL_BUILD
#include "falco_outputs_queue.h"
#endif
#include "banned.h" // This raises a compilation error when certain functions are used
using namespace std;
const static struct luaL_reg ll_falco_outputs [] =
{
#ifndef MINIMAL_BUILD
{"handle_http", &falco_outputs::handle_http},
{"handle_grpc", &falco_outputs::handle_grpc},
#endif
{NULL, NULL}
};
@@ -72,7 +78,8 @@ falco_outputs::~falco_outputs()
void falco_outputs::init(bool json_output,
bool json_include_output_property,
uint32_t rate, uint32_t max_burst, bool buffered,
bool time_format_iso_8601, string hostname)
bool time_format_iso_8601, string hostname,
const string& alternate_lua_dir)
{
// The engine must have been given an inspector by now.
if(!m_inspector)
@@ -82,7 +89,7 @@ void falco_outputs::init(bool json_output,
m_json_output = json_output;
falco_common::init(m_lua_main_filename.c_str(), FALCO_SOURCE_LUA_DIR);
falco_common::init(m_lua_main_filename.c_str(), alternate_lua_dir.c_str());
// Note that falco_formats is added to both the lua state used
// by the falco engine as well as the separate lua state used
@@ -259,6 +266,7 @@ void falco_outputs::reopen_outputs()
}
}
#ifndef MINIMAL_BUILD
int falco_outputs::handle_http(lua_State *ls)
{
CURL *curl = NULL;
@@ -369,3 +377,4 @@ int falco_outputs::handle_grpc(lua_State *ls)
return 1;
}
#endif

View File

@@ -54,7 +54,8 @@ public:
void init(bool json_output,
bool json_include_output_property,
uint32_t rate, uint32_t max_burst, bool buffered,
bool time_format_iso_8601, std::string hostname);
bool time_format_iso_8601, std::string hostname,
const std::string& alternate_lua_dir);
void add_output(output_config oc);
@@ -74,8 +75,10 @@ public:
void reopen_outputs();
#ifndef MINIMAL_BUILD
static int handle_http(lua_State *ls);
static int handle_grpc(lua_State *ls);
#endif
private:

View File

@@ -1,19 +1,12 @@
#!/bin/sh
#!/bin/env/bash
set -euo pipefail
SOURCE_DIR=$1
OPENSSL=$2
if ! command -v "${OPENSSL}" version > /dev/null 2>&1; then
echo "No openssl command at ${OPENSSL}"
exit 1
fi
NEW_CHECKSUM=$(./falco --list -N | ${OPENSSL} dgst -sha256 | awk '{print $2}')
NEW_CHECKSUM=$(./falco --list -N | sha256sum | awk '{print $1}')
CUR_CHECKSUM=$(grep FALCO_FIELDS_CHECKSUM "${SOURCE_DIR}/userspace/engine/falco_engine_version.h" | awk '{print $3}' | sed -e 's/"//g')
if [ "$NEW_CHECKSUM" != "$CUR_CHECKSUM" ]; then
echo "Set of fields supported has changed (new checksum $NEW_CHECKSUM != old checksum $CUR_CHECKSUM)."
echo "Update checksum and/or version in falco_engine_version.h."