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Message-Id: <20161026065654.19166-2-mic@digikod.net>
Date: Wed, 26 Oct 2016 08:56:37 +0200
From: Mickaël Salaün <mic@...ikod.net>
To: linux-kernel@...r.kernel.org
Cc: Mickaël Salaün <mic@...ikod.net>,
Alexei Starovoitov <ast@...nel.org>,
Andy Lutomirski <luto@...capital.net>,
Daniel Borkmann <daniel@...earbox.net>,
Daniel Mack <daniel@...que.org>, David Drysdale <drysdale@...gle.com>,
"David S . Miller" <davem@...emloft.net>,
"Eric W . Biederman" <ebiederm@...ssion.com>,
James Morris <james.l.morris@...cle.com>, Jann Horn <jann@...jh.net>,
Kees Cook <keescook@...omium.org>, Paul Moore <pmoore@...hat.com>,
Sargun Dhillon <sargun@...gun.me>,
"Serge E . Hallyn" <serge@...lyn.com>, Tejun Heo <tj@...nel.org>,
Thomas Graf <tgraf@...g.ch>, Will Drewry <wad@...omium.org>,
kernel-hardening@...ts.openwall.com, linux-api@...r.kernel.org,
linux-security-module@...r.kernel.org, netdev@...r.kernel.org,
cgroups@...r.kernel.org
Subject: [RFC v4 01/18] landlock: Add Kconfig
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@...ikod.net>
Cc: James Morris <james.l.morris@...cle.com>
Cc: Kees Cook <keescook@...omium.org>
Cc: Serge E. Hallyn <serge@...lyn.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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