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Commit Graph

5945 Commits

Author SHA1 Message Date
John Johansen
b32b898a9a libapparmor: fix log parsing for socklogd
The default log format for void linux is not handled by current log
parsing. The following example message results in an invalid record
error.

2021-09-11T20:57:41.91645 kern.notice: [  469.180605] audit: type=1400 audit(1631392703.952:3): apparmor="ALLOWED" operation="mkdir" profile="/usr/bin/kak" name="/run/user/1000/kakoune/" pid=2545 comm="kak" requested_mask="c" denied_mask="c" fsuid=1000 ouid=1000

This log message fails on parsing

  kern.notice:

which differs from the expect syslog format of
  host_name kernel:

Fixes: https://gitlab.com/apparmor/apparmor/-/issues/196
MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/799
Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-09-13 15:04:06 -07:00
John Johansen
1192dae561 libapparmor: fix memory leaks in logparsing
bison reports the follow warnings on the parser

/home/jj/apparmor/apparmor-jjohansen.git/libraries/libapparmor/src/grammar.y:245.48-62: warning: unused value: $4 [-Wother]
 	| syslog_date TOK_ID TOK_SYSLOG_KERNEL TOK_DMESG_STAMP TOK_AUDIT TOK_COLON key_type audit_id audit_user_msg_partial_tail
                                                ^^^^^^^^^^^^^^^
/home/jj/apparmor/apparmor-jjohansen.git/libraries/libapparmor/src/grammar.y:247.48-62: warning: unused value: $4 [-Wother]
 	| syslog_date TOK_ID TOK_SYSLOG_KERNEL TOK_DMESG_STAMP TOK_AUDIT TOK_COLON key_type audit_id audit_user_msg_tail
                                                ^^^^^^^^^^^^^^^
which it turns out are memory leaks.

MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/799
Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-09-12 23:11:39 -07:00
John Johansen
4fe5387b69 libapparmor: fix debug build of log parsing
When building with YYDEBUG=1 the following failure occurs

grammar.y:49:46: error: unknown type name ‘no_debug_unused_’; did you mean ‘debug_unused_’?
 void aalogparse_error(unused_ void *scanner, no_debug_unused_ char const *s)
                                              ^~~~~~~~~~~~~~~~
                                              debug_unused_
g

MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/799
Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-09-12 23:11:31 -07:00
John Johansen
d11f2d5923 Merge Include local customization
The current setup for the profile sanitized_helper does not include a local
profile for adjustments.

Fixes: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=990499
MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/796
Acked-by: John Johansen <john.johansen@canonical.com>
2021-09-03 11:59:12 +00:00
Shai4she
de5966671f Include local customization, cf. https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=990499 2021-09-03 08:27:02 +00:00
Steve Beattie
4559a2997c utils: Add new python versions to logprof.conf
Adding everything up to 3.19 should make the file future-proof for a
while ;-)

Fixes: https://gitlab.com/apparmor/apparmor/-/issues/193
MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/795
Acked-by: Steve Beattie <steve.beattie@canonical.com>
2021-08-26 17:43:43 +00:00
Georgia Garcia
c8ff8799cc Merge cleanup imports from apparmor.common
MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/794
Acked-by: Georgia Garcia <georgia.garcia@canonical.com>
2021-08-25 21:58:08 +00:00
Christian Boltz
b570e6134c Add new python versions to logprof.conf
Adding everything up to 3.19 should make the file future-proof for a
while ;-)

Fixes: https://gitlab.com/apparmor/apparmor/-/issues/193
2021-08-25 13:50:28 +02:00
Christian Boltz
0ee225b498 import hasher from apparmor.common
... instead of indirectly using it via apparmor.aa
2021-08-24 22:48:19 +02:00
Christian Boltz
c09e0b6ef3 import is_skippable_file from apparmor.common
... instead of indirectly using it via apparmor.aa
2021-08-24 22:47:39 +02:00
Christian Boltz
8b2fe01c7d aa-easyprof: use AppArmorException from apparmor.common
... instead of keeping an own version of it witht the exact same code
and a TODO note to use the one from common.

Also adjust the aa-easyprof tests to directly import AppArmorException
from apparmor.common.
2021-08-24 22:35:59 +02:00
Christian Boltz
79e7a204cf import AppArmorException from apparmor.common
... instead of indirectly using the one imported into apparmor.aa
2021-08-24 22:31:11 +02:00
Christian Boltz
7f64902f24 aa-unconfined: import specific items from apparmor.common
... instead of importing the whole apparmor.common
2021-08-24 22:20:27 +02:00
John Johansen
7711baae4a Merge aa-decode: use grep -E instead of egrep
egrep and fgrep are deprecated and will print a warning in the next grep release (3.8)

https://git.savannah.gnu.org/cgit/grep.git/commit/?id=a9515624709865d480e3142fd959bccd1c9372d1

MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/792
Acked-by: John Johansen <john.johansen@canonical.com>
2021-08-24 08:29:04 +00:00
John Johansen
c258976ff8 Merge utils: use internal which implementation
* removes runtime dependency on which
* fixes aa-unconfined when ss is installed outside {/usr,}/bin

MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/784
Signed-off-by: Michal Vasilek <michal.vasilek@nic.cz>
Acked-by: John Johansen <john.johansen@canonical.com>
2021-08-24 08:23:29 +00:00
Michal Vasilek
e8f3a1b878 aa-decode: use grep -E instead of egrep
egrep and fgrep are deprecated and will print a warning in the next grep
release (3.8)

https://git.savannah.gnu.org/cgit/grep.git/commit/?id=a9515624709865d480e3142fd959bccd1c9372d1
Signed-off-by: Michal Vasilek <michal.vasilek@nic.cz>
2021-08-24 10:16:29 +02:00
Michal Vasilek
c31d49234f utils: use internal which implementation
* removes runtime dependency on which
* fixes aa-unconfined when ss is installed outside {/usr,}/bin

Signed-off-by: Michal Vasilek <michal.vasilek@nic.cz>
2021-08-24 09:29:32 +02:00
John Johansen
1a190f2e30 Merge aa-remove-unknown: Drop superfluous $0 parameter from usage()
$0 is always the name of the script, even if using it inside a function.
Therefore use $0 directly, and no longer hand it over as a parameter.

Also `chmod +x aa-remove-unknown` to make in-tree testing easier.

MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/785
Acked-by: John Johansen <john.johansen@canonical.com>
2021-08-21 07:43:49 +00:00
John Johansen
5068f54cf1 Merge ProfileStorage: Store empty xattrs as empty string
... instead of None.

This avoids the need to allow type changes (None vs. str).

Also adjust the tests accordingly.

While on it, simplify the tests for attachment.

attachment is always a str, therefore adjust the test to expect an empty
str ('') instead of None - and later converting that None to ''.

MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/786
Acked-by: John Johansen <john.johansen@canonical.com>
2021-08-20 21:55:22 +00:00
John Johansen
572c342a2b Merge SeverityVarsTest: Make order of variable replacements constant
... using [] instead of {}

This should keep the order of checking (and therefore code coverage)
constant, and should fix the randomly appearing partial coverage in
severity.py handle_variable_rank(). In some random cases (depending in
which order the replacements were done and checked for their severity),
the coverage report indicated that the 'elif' condition was never false.

Note: This is only "coverage cosmetics". In "real users", it doesn't
matter in which order the variable replacements are checked because the
result doesn't depend on the ordering.

MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/790
Acked-by: John Johansen <john.johansen@canonical.com>
2021-08-20 21:52:23 +00:00
Christian Boltz
4fd7bcc289 Merge branch 'fix-video-abstraction' into 'master'
add a missing slash at the end of the sys rule

See merge request apparmor/apparmor!791

Acked-by: Christian Boltz <apparmor@cboltz.de> for 2.12..master
2021-08-20 18:16:03 +00:00
Mikhail Morfikov
b3dcd02dff add a missing slash at the end of the sys rule 2021-08-20 00:38:14 +02:00
Christian Boltz
d4b17ef904 SeverityVarsTest: Make order of variable replacements constant
... using [] instead of {}

This should keep the order of checking (and therefore code coverage)
constant, and should fix the randomly appearing partial coverage in
severity.py handle_variable_rank(). In some random cases (depending in
which order the replacements were done and checked for their severity),
the coverage report indicated that the 'elif' condition was never false.

Note: This is only "coverage cosmetics". In "real users", it doesn't
matter in which order the variable replacements are checked because the
result doesn't depend on the ordering.
2021-08-19 12:52:56 +02:00
Alex Murray
516733950e regression tests: fix aa_policy_cache when using system parser
When using the system parser ${parser_config} will be empty and so if this
is quoted when passed as  argument to the parser then this gets in
interpreted as the name of a file to be compiled and hence the parser just
prints:

File  not found, skipping...
File  not found, skipping...
File  not found, skipping...
...

for all the aa_policy_cache tests - instead fix this by just not quoting
this argument as suggested by cboltz.

This fixes the regression tests to run to completion without error when
USE_SYSTEM=1 is set.

MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/788
Signed-off-by: Alex Murray <alex.murray@canonical.com>
Acked-by: Christian Boltz <apparmor@cboltz.de>
2021-08-19 11:02:10 +09:30
Christian Boltz
131ae8425b Merge branch 'cboltz-typo' into 'master'
Fix typo in manpage

Closes #192

See merge request apparmor/apparmor!789

Acked-by: Acked-by: Seth Arnold <seth.arnold@canonical.com> for all branches
2021-08-17 18:25:51 +00:00
Christian Boltz
1459f49b7a Fix typo in manpage
Fixes: https://gitlab.com/apparmor/apparmor/-/issues/192
2021-08-17 19:43:53 +02:00
Christian Boltz
8cecc14d2d aa-remove-unknown: Drop superfluous $0 parameter from usage()
$0 is always the name of the script, even if using it inside a function.
Therefore use $0 directly, and no longer hand it over as a parameter.
2021-08-16 19:59:34 +02:00
Christian Boltz
169d305b2b chmod +x aa-remove-unknown 2021-08-16 19:59:34 +02:00
Christian Boltz
e69f46ac3f ProfileStorage: simplify tests for attachment
attachment is always a str, therefore adjust the test to expect an empty
str ('') instead of None - and later converting that None to ''.
2021-08-16 19:59:05 +02:00
Christian Boltz
337ebcd032 ProfileStorage: Store empty xattrs as empty string
... instead of None.

This avoids the need to allow type changes (None vs. str).

Also adjust the tests accordingly.
2021-08-16 19:59:02 +02:00
Georgia Garcia
bbe52a1eec Merge CI: always collect test artifacts
MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/787

Acked-by: Georgia Garcia <georgia.garcia@canonical.com>
2021-08-16 13:51:12 +00:00
Christian Boltz
266ac13e10 CI: always collect test artifacts
The default is to collect them on success, but that's not helpful to
debug failure cases.
2021-08-15 16:28:35 +02:00
John Johansen
a79e800ebe Merge libapparmor:fix error value returned from features_lookup functions.
MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/780
Acked-by: John Johansen <john.johansen@canonical.com>
2021-08-13 20:49:53 +00:00
John Johansen
31fda3eee7 Merge Update abstractions/python and profiles for python 3.10
Add support for python 3.10 in abstractions and profiles.

Fixes: https://gitlab.com/apparmor/apparmor/-/issues/187
MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/783
Acked-by: John Johansen <john.johansen@canonical.com>
2021-08-13 20:13:59 +00:00
Steve Beattie
0db428a67b Revert "regression tests: fix aa_policy_cache when using system parser"
This reverts merge request !782
2021-08-12 06:59:41 +00:00
Steve Beattie
8d0b48df12 regression tests: fix aa_policy_cache when using system parser
Merge branch 'fix-policy-cache-regression-tests' into 'master'

When using the system parser ${parser_config} will be empty and so if this
is unconditionally passed as an argument to the parser then this gets in
interpreted as the name of a file to be compiled and hence the parser just
prints:

File  not found, skipping...
File  not found, skipping...
File  not found, skipping...
...

for all the aa_policy_cache tests - instead fix this to pass a single args
argument to the parser which will only include parser_config if it is not
empty.

This fixes the regression tests to run to completion without error when
USE_SYSTEM=1 is set.

MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/782
Signed-off-by: Alex Murray <alex.murray@canonical.com>
Acked-by: Steve Beattie <steve@nxnw.org>
2021-08-12 05:32:07 +00:00
Christian Boltz
ea7b201ba4 Update abstractions/python and profiles for python 3.10
Fixes: https://gitlab.com/apparmor/apparmor/-/issues/187
2021-08-11 21:37:40 +02:00
Alex Murray
0f2a33e7fb regression tests: fix aa_policy_cache when using system parser
When using the system parser ${parser_config} will be empty and so if this
is unconditionally passed as an argument to the parser then this gets in
interpreted as the name of a file to be compiled and hence the parser just
prints:

File  not found, skipping...
File  not found, skipping...
File  not found, skipping...
...

for all the aa_policy_cache tests - instead fix this to pass a single args
argument to the parser which will only include parser_config if it is not
empty.

This fixes the regression tests to run to completion without error when
USE_SYSTEM=1 is set.

Signed-off-by: Alex Murray <alex.murray@canonical.com>
2021-08-11 18:02:36 +09:30
John Johansen
bbdd563955 library: bump version number to stay in sync with 3.0.2 release
Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-08-05 22:26:59 -07:00
John Johansen
8dce557f01 bump Version to indicate dev branch
Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-08-05 22:25:47 -07:00
Georgia Garcia
656a48b900 tests: check for loopback module on pivot_root test
mount -o loop fails when the loopback module is not loaded with
permission denied. Add a check if /dev/loop0 exists. If not, load
the loop module.

MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/781
Signed-off-by: Georgia Garcia <georgia.garcia@canonical.com>
Acked-by: Christian Boltz <apparmor@cboltz.de>
2021-08-03 10:09:55 -03:00
Mingjun.Yang
348bb8b3d7 libapparmor:fix error value returned from features_lookup functions. 2021-07-31 11:21:47 +08:00
John Johansen
3f46d96aca libapparmor: fix comments about kernel exporte interfaces
Some basic fixes to comments, that were found after !713 was merged.

Fixes: https://gitlab.com/apparmor/apparmor/-/merge_requests/713
MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/777
Signed-off-by: John Johansen <john.johansen@canonical.com>
Acked-by: Christian Boltz <apparmor@cboltz.de>
2021-07-22 14:24:00 -07:00
John Johansen
29215b4784 Merge libapparmor: Adjust stacking interface check
libapparmor performs a test for the new stacking interface, however
how it does this test is problematic as it requires all confined
tasks to be given read access to the task introspection interface.
This results in tasks needing to be given read access to the interface
even if they don't need it. Making it possible for tasks to discover
their confinement even if they are not supposed to be able to.
Instead change the check to using state on the parent directory.
This will generate a getattr request instead of read and make it
on the directory instead of on any interface file that could be
used to obtain information.

MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/713
Signed-off-by: John Johansen john.johansen@canonical.com
Acked-by: Timeout
2021-07-21 15:44:23 -07:00
John Johansen
a98469eb09 [7/7] abstractions: Make "available" readable as part of the enabled api
Understacking AppArmor if it is not the major LSM may set the enabled
field to false, to keep userspace from hitting the old shared proc
interfaces. The parameter "available" is added to indicate apparmor
is available but not present on the older interfaces.

Fixes: https://gitlab.com/apparmor/apparmor/-/issues/150
MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/713
Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-07-21 14:31:44 -07:00
John Johansen
c60fc809a9 [6/7] parser: update the parser to add interface rules for change_X
For change_hat and change_profile instead of a single interface
rule we need to add some readonly interfaces for discovery and
the new and old proc interface for writing.

Consolidate into a single shared routine.

Fixes: https://gitlab.com/apparmor/apparmor/-/issues/150
MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/713
Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-07-21 14:31:44 -07:00
John Johansen
35e58273e6 [5/7] libapparmor: rework trying original interface if new interface fails
Adjust the interface check and fallback. Unfortunately there is no
solution that will fix all failure cases. Instead try to minimize
the failure cases and bias towards failures that don't cause a
regression under an old parser/policy.

Note: In cases where we absolutely know the interface should not
      be accessed fail those accesses imediately instead of relying
      on what ever LSM active to handle it.

While we are at it document the interfaces and failure cases.

Fixes: https://gitlab.com/apparmor/apparmor/-/issues/150
MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/713
Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-07-21 14:31:44 -07:00
John Johansen
d0c4fc7d68 [4/7] libapparmor: fix available and enabled checks
Make it easier to separate errors from an actual answer, and ensure
we do a fallback check if there was an error.

Also fix the error code returned from aa_is_enabled() which got
broken by the addition of the private_enabled() check.

Finally make sure the private enabled error code is documented.

Fixes: https://gitlab.com/apparmor/apparmor/-/issues/150
MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/713
Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-07-21 14:31:44 -07:00
John Johansen
3fb4c4b876 [3/7] libapparmor: Fix AppArmor private interface availability check
The parameter that is landing upstream in "available" not
"private_enabled".

Also set the correct variable, as previously we were not.

Note: that skipping checking available for the private apparmor
proc interfaces is okay, as the dedicated apparmor interfaces will
fail correctly if available is False.

This just gives a clear way for userspace to query this info without
having to resort to error codes that access to the private interfaces
would return.

Fixes: https://gitlab.com/apparmor/apparmor/-/issues/150
MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/713
Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-07-21 14:31:44 -07:00
John Johansen
6c4ed2af8d [2/7] libapparmor: Adjust stacking interface check
libapparmor performs a test for the new stacking interface, however
how it does this test is problematic as it requires all confined
tasks to be given read access to the task introspection interface.

This results in tasks needing to be given read access to the interface
even if they don't need it. Making it possible for tasks to discover
their confinement even if they are not supposed to be able to.

Instead change the check to using stat on the parent directory.
This will generate a getattr request instead of read and make it
on the directory instead of on any interface file that could be
used to obtain information.

Fixes: https://gitlab.com/apparmor/apparmor/-/issues/150
MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/713
Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-07-21 14:31:44 -07:00