[PATCH v4 0/3] Refactor Landlock access mask management

From: Mickaël Salaün
Date: Sat Nov 09 2024 - 06:25:24 EST


Hi,

To simplify code for new access types [1], add 2 new helpers:
- landlock_union_access_masks()
- landlock_get_applicable_domain()

This fourth version mainly rename these helpers.

The last patch uses these helpers to optimize Landlock scope management
like with filesystem and network access checks.

[1] https://lore.kernel.org/r/3433b163-2371-e679-cc8a-e540a0218bca@xxxxxxxxxxxxxxxxxxx

Previous version:
v3: https://lore.kernel.org/r/20241022151144.872797-2-mic@xxxxxxxxxxx
v2: https://lore.kernel.org/r/20241014124835.1152246-1-mic@xxxxxxxxxxx
v1: https://lore.kernel.org/r/20241001141234.397649-1-mic@xxxxxxxxxxx

Regards,

Mickaël Salaün (3):
landlock: Refactor filesystem access mask management
landlock: Refactor network access mask management
landlock: Optimize scope enforcement

security/landlock/fs.c | 31 ++++-----------
security/landlock/net.c | 28 +++-----------
security/landlock/ruleset.h | 73 ++++++++++++++++++++++++++++++++----
security/landlock/syscalls.c | 2 +-
security/landlock/task.c | 18 +++++++--
5 files changed, 95 insertions(+), 57 deletions(-)


base-commit: dad2f20715163e80aab284fb092efc8c18bf97c7
--
2.47.0