path: root/Documentation/netlabel
diff options
authorMauro Carvalho Chehab <>2019-06-12 14:52:52 -0300
committerJonathan Corbet <>2019-06-14 14:23:30 -0600
commit593733ab80ac2c607acc1fc3fbaba5031d38253a (patch)
treed7cc25050c596e7843fc2ad013812aeebc35a793 /Documentation/netlabel
parent09bbf055c3329008522b4a9814afe412c202daa7 (diff)
docs: netlabel: convert docs to ReST and rename to *.rst
Convert netlabel documentation to ReST. This was trivial: just add proper title markups. At its new index.rst, let's add a :orphan: while this is not linked to the main index.rst file, in order to avoid build warnings. Signed-off-by: Mauro Carvalho Chehab <> Acked-by: Paul Moore <> Signed-off-by: Jonathan Corbet <>
Diffstat (limited to 'Documentation/netlabel')
-rw-r--r--Documentation/netlabel/cipso_ipv4.rst (renamed from Documentation/netlabel/cipso_ipv4.txt)19
-rw-r--r--Documentation/netlabel/introduction.rst (renamed from Documentation/netlabel/introduction.txt)16
-rw-r--r--Documentation/netlabel/lsm_interface.rst (renamed from Documentation/netlabel/lsm_interface.txt)16
5 files changed, 61 insertions, 16 deletions
diff --git a/Documentation/netlabel/cipso_ipv4.txt b/Documentation/netlabel/cipso_ipv4.rst
index a6075481fd60..cbd3f3231221 100644
--- a/Documentation/netlabel/cipso_ipv4.txt
+++ b/Documentation/netlabel/cipso_ipv4.rst
@@ -1,10 +1,13 @@
NetLabel CIPSO/IPv4 Protocol Engine
Paul Moore,
May 17, 2006
- * Overview
The NetLabel CIPSO/IPv4 protocol engine is based on the IETF Commercial
IP Security Option (CIPSO) draft from July 16, 1992. A copy of this
@@ -13,7 +16,8 @@ draft can be found in this directory
it to an RFC standard it has become a de-facto standard for labeled
networking and is used in many trusted operating systems.
- * Outbound Packet Processing
+Outbound Packet Processing
The CIPSO/IPv4 protocol engine applies the CIPSO IP option to packets by
adding the CIPSO label to the socket. This causes all packets leaving the
@@ -24,7 +28,8 @@ label by using the NetLabel security module API; if the NetLabel "domain" is
configured to use CIPSO for packet labeling then a CIPSO IP option will be
generated and attached to the socket.
- * Inbound Packet Processing
+Inbound Packet Processing
The CIPSO/IPv4 protocol engine validates every CIPSO IP option it finds at the
IP layer without any special handling required by the LSM. However, in order
@@ -33,7 +38,8 @@ NetLabel security module API to extract the security attributes of the packet.
This is typically done at the socket layer using the 'socket_sock_rcv_skb()'
LSM hook.
- * Label Translation
+Label Translation
The CIPSO/IPv4 protocol engine contains a mechanism to translate CIPSO security
attributes such as sensitivity level and category to values which are
@@ -42,7 +48,8 @@ Domain Of Interpretation (DOI) definition and are configured through the
NetLabel user space communication layer. Each DOI definition can have a
different security attribute mapping table.
- * Label Translation Cache
+Label Translation Cache
The NetLabel system provides a framework for caching security attribute
mappings from the network labels to the corresponding LSM identifiers. The
diff --git a/Documentation/netlabel/draft_ietf.rst b/Documentation/netlabel/draft_ietf.rst
new file mode 100644
index 000000000000..5ed39ab8234b
--- /dev/null
+++ b/Documentation/netlabel/draft_ietf.rst
@@ -0,0 +1,5 @@
+Draft IETF CIPSO IP Security
+ .. include:: draft-ietf-cipso-ipsecurity-01.txt
+ :literal:
diff --git a/Documentation/netlabel/index.rst b/Documentation/netlabel/index.rst
new file mode 100644
index 000000000000..47f1e0e5acd1
--- /dev/null
+++ b/Documentation/netlabel/index.rst
@@ -0,0 +1,21 @@
+.. toctree::
+ :maxdepth: 1
+ introduction
+ cipso_ipv4
+ lsm_interface
+ draft_ietf
+.. only:: subproject and html
+ Indices
+ =======
+ * :ref:`genindex`
diff --git a/Documentation/netlabel/introduction.txt b/Documentation/netlabel/introduction.rst
index 3caf77bcff0f..9333bbb0adc1 100644
--- a/Documentation/netlabel/introduction.txt
+++ b/Documentation/netlabel/introduction.rst
@@ -1,10 +1,13 @@
NetLabel Introduction
Paul Moore,
August 2, 2006
- * Overview
NetLabel is a mechanism which can be used by kernel security modules to attach
security attributes to outgoing network packets generated from user space
@@ -12,7 +15,8 @@ applications and read security attributes from incoming network packets. It
is composed of three main components, the protocol engines, the communication
layer, and the kernel security module API.
- * Protocol Engines
+Protocol Engines
The protocol engines are responsible for both applying and retrieving the
network packet's security attributes. If any translation between the network
@@ -24,7 +28,8 @@ the NetLabel kernel security module API described below.
Detailed information about each NetLabel protocol engine can be found in this
- * Communication Layer
+Communication Layer
The communication layer exists to allow NetLabel configuration and monitoring
from user space. The NetLabel communication layer uses a message based
@@ -33,7 +38,8 @@ formatting of these NetLabel messages as well as the Generic NETLINK family
names can be found in the 'net/netlabel/' directory as comments in the
header files as well as in 'include/net/netlabel.h'.
- * Security Module API
+Security Module API
The purpose of the NetLabel security module API is to provide a protocol
independent interface to the underlying NetLabel protocol engines. In addition
diff --git a/Documentation/netlabel/lsm_interface.txt b/Documentation/netlabel/lsm_interface.rst
index 638c74f7de7f..026fc267f798 100644
--- a/Documentation/netlabel/lsm_interface.txt
+++ b/Documentation/netlabel/lsm_interface.rst
@@ -1,10 +1,13 @@
NetLabel Linux Security Module Interface
Paul Moore,
May 17, 2006
- * Overview
NetLabel is a mechanism which can set and retrieve security attributes from
network packets. It is intended to be used by LSM developers who want to make
@@ -12,7 +15,8 @@ use of a common code base for several different packet labeling protocols.
The NetLabel security module API is defined in 'include/net/netlabel.h' but a
brief overview is given below.
- * NetLabel Security Attributes
+NetLabel Security Attributes
Since NetLabel supports multiple different packet labeling protocols and LSMs
it uses the concept of security attributes to refer to the packet's security
@@ -24,7 +28,8 @@ configuration. It is up to the LSM developer to translate the NetLabel
security attributes into whatever security identifiers are in use for their
particular LSM.
- * NetLabel LSM Protocol Operations
+NetLabel LSM Protocol Operations
These are the functions which allow the LSM developer to manipulate the labels
on outgoing packets as well as read the labels on incoming packets. Functions
@@ -32,7 +37,8 @@ exist to operate both on sockets as well as the sk_buffs directly. These high
level functions are translated into low level protocol operations based on how
the administrator has configured the NetLabel subsystem.
- * NetLabel Label Mapping Cache Operations
+NetLabel Label Mapping Cache Operations
Depending on the exact configuration, translation between the network packet
label and the internal LSM security identifier can be time consuming. The