On 08/10/2020 17:31, Mickaël Salaün wrote: > From: Mickaël Salaün <mic@xxxxxxxxxxxxxxxxxxx> > > This documentation can be built with the Sphinx framework. > > Cc: James Morris <jmorris@xxxxxxxxx> > Cc: Jann Horn <jannh@xxxxxxxxxx> > Cc: Kees Cook <keescook@xxxxxxxxxxxx> > Cc: Serge E. Hallyn <serge@xxxxxxxxxx> > Signed-off-by: Mickaël Salaün <mic@xxxxxxxxxxxxxxxxxxx> > Reviewed-by: Vincent Dagonneau <vincent.dagonneau@xxxxxxxxxxx> > --- > > Changes since v20: > * Update examples and documentation with the new syscalls. > > Changes since v19: > * Update examples and documentation with the new syscalls. > > Changes since v15: > * Add current limitations. > > Changes since v14: > * Fix spelling (contributed by Randy Dunlap). > * Extend documentation about inheritance and explain layer levels. > * Remove the use of now-removed access rights. > * Use GitHub links. > * Improve kernel documentation. > * Add section for tests. > * Update example. > > Changes since v13: > * Rewrote the documentation according to the major revamp. > > Previous changes: > https://lore.kernel.org/lkml/20191104172146.30797-8-mic@xxxxxxxxxxx/ > --- > Documentation/security/index.rst | 1 + > Documentation/security/landlock/index.rst | 18 ++ > Documentation/security/landlock/kernel.rst | 69 ++++++ > Documentation/security/landlock/user.rst | 242 +++++++++++++++++++++ > 4 files changed, 330 insertions(+) > create mode 100644 Documentation/security/landlock/index.rst > create mode 100644 Documentation/security/landlock/kernel.rst > create mode 100644 Documentation/security/landlock/user.rst > > diff --git a/Documentation/security/index.rst b/Documentation/security/index.rst > index 8129405eb2cc..e3f2bf4fef77 100644 > --- a/Documentation/security/index.rst > +++ b/Documentation/security/index.rst > @@ -16,3 +16,4 @@ Security Documentation > siphash > tpm/index > digsig > + landlock/index > diff --git a/Documentation/security/landlock/index.rst b/Documentation/security/landlock/index.rst > new file mode 100644 > index 000000000000..2520f8f33f5e > --- /dev/null > +++ b/Documentation/security/landlock/index.rst > @@ -0,0 +1,18 @@ > +========================================= > +Landlock LSM: unprivileged access control > +========================================= > + > +:Author: Mickaël Salaün > + > +The goal of Landlock is to enable to restrict ambient rights (e.g. global > +filesystem access) for a set of processes. Because Landlock is a stackable > +LSM, it makes possible to create safe security sandboxes as new security layers > +in addition to the existing system-wide access-controls. This kind of sandbox > +is expected to help mitigate the security impact of bugs or > +unexpected/malicious behaviors in user-space applications. Landlock empowers > +any process, including unprivileged ones, to securely restrict themselves. > + > +.. toctree:: > + > + user > + kernel > diff --git a/Documentation/security/landlock/kernel.rst b/Documentation/security/landlock/kernel.rst > new file mode 100644 > index 000000000000..27c0933a0b6e > --- /dev/null > +++ b/Documentation/security/landlock/kernel.rst > @@ -0,0 +1,69 @@ > +============================== > +Landlock: kernel documentation > +============================== Cf. https://landlock.io/linux-doc/landlock-v21/security/landlock/kernel.html I guess this is the good place for kernel API documentation. > diff --git a/Documentation/security/landlock/user.rst b/Documentation/security/landlock/user.rst > new file mode 100644 > index 000000000000..e6fbc75c1af1 > --- /dev/null > +++ b/Documentation/security/landlock/user.rst > @@ -0,0 +1,242 @@ > +================================= > +Landlock: userspace documentation > +================================= Cf. https://landlock.io/linux-doc/landlock-v21/security/landlock/user.html Shouldn't this go in Documentation/userspace-api/ instead? Documentation/security/lsm-development.rst says that LSM documentation should go to Documentation/admin-guide/LSM/ but this is not (like seccomp) an admin documentation. Should the Documentation/userspace-api/landlock.rst be linked from Documentation/admin-guide/LSM/index.rst too?