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Subject[RFC v3 01/22] landlock: Add Kconfig
Date
Initial Landlock Kconfig needed to split the Landlock eBPF and seccomp
parts to ease the review.

Changes from v2:
* add seccomp filter or cgroups (with eBPF programs attached support)
dependencies

Signed-off-by: Mickaël Salaün <mic@digikod.net>
Cc: James Morris <james.l.morris@oracle.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Serge E. Hallyn <serge@hallyn.com>
---
security/Kconfig | 1 +
security/landlock/Kconfig | 23 +++++++++++++++++++++++
2 files changed, 24 insertions(+)
create mode 100644 security/landlock/Kconfig

diff --git a/security/Kconfig b/security/Kconfig
index 118f4549404e..c63194c561c5 100644
--- a/security/Kconfig
+++ b/security/Kconfig
@@ -164,6 +164,7 @@ source security/tomoyo/Kconfig
source security/apparmor/Kconfig
source security/loadpin/Kconfig
source security/yama/Kconfig
+source security/landlock/Kconfig

source security/integrity/Kconfig

diff --git a/security/landlock/Kconfig b/security/landlock/Kconfig
new file mode 100644
index 000000000000..dec64270b06d
--- /dev/null
+++ b/security/landlock/Kconfig
@@ -0,0 +1,23 @@
+config SECURITY_LANDLOCK
+ bool "Landlock sandbox support"
+ depends on SECURITY
+ depends on BPF_SYSCALL
+ depends on SECCOMP_FILTER || CGROUP_BPF
+ default y
+ help
+ Landlock is a stacked LSM which allows any user to load a security
+ policy to restrict their processes (i.e. create a sandbox). The
+ policy is a list of stacked eBPF programs for some LSM hooks. Each
+ program can do some access comparison to check if an access request
+ is legitimate.
+
+ You need to enable seccomp filter and/or cgroups (with eBPF programs
+ attached support) to apply a security policy to either a process
+ hierarchy (e.g. application with built-in sandboxing) or a group of
+ processes (e.g. container sandboxing). It is recommended to enable
+ both seccomp filter and cgroups.
+
+ Further information about eBPF can be found in
+ Documentation/networking/filter.txt
+
+ If you are unsure how to answer this question, answer Y.
--
2.9.3
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