diff options
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/draft_ietf.rst | 5 | ||||
| -rw-r--r-- | Documentation/netlabel/index.rst | 21 | ||||
| -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, paul.moore@hp.com May 17, 2006 - * Overview +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 @@ +:orphan: + +======== +NetLabel +======== + +.. 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, paul.moore@hp.com August 2, 2006 - * Overview +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 directory. - * 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, paul.moore@hp.com May 17, 2006 - * Overview +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 |