+++ /dev/null
-SCTP LSM Support
-================
-
-For security module support, three SCTP specific hooks have been implemented::
-
- security_sctp_assoc_request()
- security_sctp_bind_connect()
- security_sctp_sk_clone()
-
-Also the following security hook has been utilised::
-
- security_inet_conn_established()
-
-The usage of these hooks are described below with the SELinux implementation
-described in ``Documentation/security/SELinux-sctp.rst``
-
-
-security_sctp_assoc_request()
------------------------------
-Passes the ``@ep`` and ``@chunk->skb`` of the association INIT packet to the
-security module. Returns 0 on success, error on failure.
-::
-
- @ep - pointer to sctp endpoint structure.
- @skb - pointer to skbuff of association packet.
-
-
-security_sctp_bind_connect()
------------------------------
-Passes one or more ipv4/ipv6 addresses to the security module for validation
-based on the ``@optname`` that will result in either a bind or connect
-service as shown in the permission check tables below.
-Returns 0 on success, error on failure.
-::
-
- @sk - Pointer to sock structure.
- @optname - Name of the option to validate.
- @address - One or more ipv4 / ipv6 addresses.
- @addrlen - The total length of address(s). This is calculated on each
- ipv4 or ipv6 address using sizeof(struct sockaddr_in) or
- sizeof(struct sockaddr_in6).
-
- ------------------------------------------------------------------
- | BIND Type Checks |
- | @optname | @address contains |
- |----------------------------|-----------------------------------|
- | SCTP_SOCKOPT_BINDX_ADD | One or more ipv4 / ipv6 addresses |
- | SCTP_PRIMARY_ADDR | Single ipv4 or ipv6 address |
- | SCTP_SET_PEER_PRIMARY_ADDR | Single ipv4 or ipv6 address |
- ------------------------------------------------------------------
-
- ------------------------------------------------------------------
- | CONNECT Type Checks |
- | @optname | @address contains |
- |----------------------------|-----------------------------------|
- | SCTP_SOCKOPT_CONNECTX | One or more ipv4 / ipv6 addresses |
- | SCTP_PARAM_ADD_IP | One or more ipv4 / ipv6 addresses |
- | SCTP_SENDMSG_CONNECT | Single ipv4 or ipv6 address |
- | SCTP_PARAM_SET_PRIMARY | Single ipv4 or ipv6 address |
- ------------------------------------------------------------------
-
-A summary of the ``@optname`` entries is as follows::
-
- SCTP_SOCKOPT_BINDX_ADD - Allows additional bind addresses to be
- associated after (optionally) calling
- bind(3).
- sctp_bindx(3) adds a set of bind
- addresses on a socket.
-
- SCTP_SOCKOPT_CONNECTX - Allows the allocation of multiple
- addresses for reaching a peer
- (multi-homed).
- sctp_connectx(3) initiates a connection
- on an SCTP socket using multiple
- destination addresses.
-
- SCTP_SENDMSG_CONNECT - Initiate a connection that is generated by a
- sendmsg(2) or sctp_sendmsg(3) on a new asociation.
-
- SCTP_PRIMARY_ADDR - Set local primary address.
-
- SCTP_SET_PEER_PRIMARY_ADDR - Request peer sets address as
- association primary.
-
- SCTP_PARAM_ADD_IP - These are used when Dynamic Address
- SCTP_PARAM_SET_PRIMARY - Reconfiguration is enabled as explained below.
-
-
-To support Dynamic Address Reconfiguration the following parameters must be
-enabled on both endpoints (or use the appropriate **setsockopt**\(2))::
-
- /proc/sys/net/sctp/addip_enable
- /proc/sys/net/sctp/addip_noauth_enable
-
-then the following *_PARAM_*'s are sent to the peer in an
-ASCONF chunk when the corresponding ``@optname``'s are present::
-
- @optname ASCONF Parameter
- ---------- ------------------
- SCTP_SOCKOPT_BINDX_ADD -> SCTP_PARAM_ADD_IP
- SCTP_SET_PEER_PRIMARY_ADDR -> SCTP_PARAM_SET_PRIMARY
-
-
-security_sctp_sk_clone()
--------------------------
-Called whenever a new socket is created by **accept**\(2)
-(i.e. a TCP style socket) or when a socket is 'peeled off' e.g userspace
-calls **sctp_peeloff**\(3).
-::
-
- @ep - pointer to current sctp endpoint structure.
- @sk - pointer to current sock structure.
- @sk - pointer to new sock structure.
-
-
-security_inet_conn_established()
----------------------------------
-Called when a COOKIE ACK is received::
-
- @sk - pointer to sock structure.
- @skb - pointer to skbuff of the COOKIE ACK packet.
-
-
-Security Hooks used for Association Establishment
-=================================================
-The following diagram shows the use of ``security_sctp_bind_connect()``,
-``security_sctp_assoc_request()``, ``security_inet_conn_established()`` when
-establishing an association.
-::
-
- SCTP endpoint "A" SCTP endpoint "Z"
- ================= =================
- sctp_sf_do_prm_asoc()
- Association setup can be initiated
- by a connect(2), sctp_connectx(3),
- sendmsg(2) or sctp_sendmsg(3).
- These will result in a call to
- security_sctp_bind_connect() to
- initiate an association to
- SCTP peer endpoint "Z".
- INIT --------------------------------------------->
- sctp_sf_do_5_1B_init()
- Respond to an INIT chunk.
- SCTP peer endpoint "A" is
- asking for an association. Call
- security_sctp_assoc_request()
- to set the peer label if first
- association.
- If not first association, check
- whether allowed, IF so send:
- <----------------------------------------------- INIT ACK
- | ELSE audit event and silently
- | discard the packet.
- |
- COOKIE ECHO ------------------------------------------>
- |
- |
- |
- <------------------------------------------- COOKIE ACK
- | |
- sctp_sf_do_5_1E_ca |
- Call security_inet_conn_established() |
- to set the peer label. |
- | |
- | If SCTP_SOCKET_TCP or peeled off
- | socket security_sctp_sk_clone() is
- | called to clone the new socket.
- | |
- ESTABLISHED ESTABLISHED
- | |
- ------------------------------------------------------------------
- | Association Established |
- ------------------------------------------------------------------
-
-
--- /dev/null
+.. SPDX-License-Identifier: GPL-2.0
+
+====
+SCTP
+====
+
+SCTP LSM Support
+================
+
+Security Hooks
+--------------
+
+For security module support, three SCTP specific hooks have been implemented::
+
+ security_sctp_assoc_request()
+ security_sctp_bind_connect()
+ security_sctp_sk_clone()
+
+Also the following security hook has been utilised::
+
+ security_inet_conn_established()
+
+The usage of these hooks are described below with the SELinux implementation
+described in the `SCTP SELinux Support`_ chapter.
+
+
+security_sctp_assoc_request()
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Passes the ``@ep`` and ``@chunk->skb`` of the association INIT packet to the
+security module. Returns 0 on success, error on failure.
+::
+
+ @ep - pointer to sctp endpoint structure.
+ @skb - pointer to skbuff of association packet.
+
+
+security_sctp_bind_connect()
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Passes one or more ipv4/ipv6 addresses to the security module for validation
+based on the ``@optname`` that will result in either a bind or connect
+service as shown in the permission check tables below.
+Returns 0 on success, error on failure.
+::
+
+ @sk - Pointer to sock structure.
+ @optname - Name of the option to validate.
+ @address - One or more ipv4 / ipv6 addresses.
+ @addrlen - The total length of address(s). This is calculated on each
+ ipv4 or ipv6 address using sizeof(struct sockaddr_in) or
+ sizeof(struct sockaddr_in6).
+
+ ------------------------------------------------------------------
+ | BIND Type Checks |
+ | @optname | @address contains |
+ |----------------------------|-----------------------------------|
+ | SCTP_SOCKOPT_BINDX_ADD | One or more ipv4 / ipv6 addresses |
+ | SCTP_PRIMARY_ADDR | Single ipv4 or ipv6 address |
+ | SCTP_SET_PEER_PRIMARY_ADDR | Single ipv4 or ipv6 address |
+ ------------------------------------------------------------------
+
+ ------------------------------------------------------------------
+ | CONNECT Type Checks |
+ | @optname | @address contains |
+ |----------------------------|-----------------------------------|
+ | SCTP_SOCKOPT_CONNECTX | One or more ipv4 / ipv6 addresses |
+ | SCTP_PARAM_ADD_IP | One or more ipv4 / ipv6 addresses |
+ | SCTP_SENDMSG_CONNECT | Single ipv4 or ipv6 address |
+ | SCTP_PARAM_SET_PRIMARY | Single ipv4 or ipv6 address |
+ ------------------------------------------------------------------
+
+A summary of the ``@optname`` entries is as follows::
+
+ SCTP_SOCKOPT_BINDX_ADD - Allows additional bind addresses to be
+ associated after (optionally) calling
+ bind(3).
+ sctp_bindx(3) adds a set of bind
+ addresses on a socket.
+
+ SCTP_SOCKOPT_CONNECTX - Allows the allocation of multiple
+ addresses for reaching a peer
+ (multi-homed).
+ sctp_connectx(3) initiates a connection
+ on an SCTP socket using multiple
+ destination addresses.
+
+ SCTP_SENDMSG_CONNECT - Initiate a connection that is generated by a
+ sendmsg(2) or sctp_sendmsg(3) on a new asociation.
+
+ SCTP_PRIMARY_ADDR - Set local primary address.
+
+ SCTP_SET_PEER_PRIMARY_ADDR - Request peer sets address as
+ association primary.
+
+ SCTP_PARAM_ADD_IP - These are used when Dynamic Address
+ SCTP_PARAM_SET_PRIMARY - Reconfiguration is enabled as explained below.
+
+
+To support Dynamic Address Reconfiguration the following parameters must be
+enabled on both endpoints (or use the appropriate **setsockopt**\(2))::
+
+ /proc/sys/net/sctp/addip_enable
+ /proc/sys/net/sctp/addip_noauth_enable
+
+then the following *_PARAM_*'s are sent to the peer in an
+ASCONF chunk when the corresponding ``@optname``'s are present::
+
+ @optname ASCONF Parameter
+ ---------- ------------------
+ SCTP_SOCKOPT_BINDX_ADD -> SCTP_PARAM_ADD_IP
+ SCTP_SET_PEER_PRIMARY_ADDR -> SCTP_PARAM_SET_PRIMARY
+
+
+security_sctp_sk_clone()
+~~~~~~~~~~~~~~~~~~~~~~~~
+Called whenever a new socket is created by **accept**\(2)
+(i.e. a TCP style socket) or when a socket is 'peeled off' e.g userspace
+calls **sctp_peeloff**\(3).
+::
+
+ @ep - pointer to current sctp endpoint structure.
+ @sk - pointer to current sock structure.
+ @sk - pointer to new sock structure.
+
+
+security_inet_conn_established()
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Called when a COOKIE ACK is received::
+
+ @sk - pointer to sock structure.
+ @skb - pointer to skbuff of the COOKIE ACK packet.
+
+
+Security Hooks used for Association Establishment
+-------------------------------------------------
+
+The following diagram shows the use of ``security_sctp_bind_connect()``,
+``security_sctp_assoc_request()``, ``security_inet_conn_established()`` when
+establishing an association.
+::
+
+ SCTP endpoint "A" SCTP endpoint "Z"
+ ================= =================
+ sctp_sf_do_prm_asoc()
+ Association setup can be initiated
+ by a connect(2), sctp_connectx(3),
+ sendmsg(2) or sctp_sendmsg(3).
+ These will result in a call to
+ security_sctp_bind_connect() to
+ initiate an association to
+ SCTP peer endpoint "Z".
+ INIT --------------------------------------------->
+ sctp_sf_do_5_1B_init()
+ Respond to an INIT chunk.
+ SCTP peer endpoint "A" is
+ asking for an association. Call
+ security_sctp_assoc_request()
+ to set the peer label if first
+ association.
+ If not first association, check
+ whether allowed, IF so send:
+ <----------------------------------------------- INIT ACK
+ | ELSE audit event and silently
+ | discard the packet.
+ |
+ COOKIE ECHO ------------------------------------------>
+ |
+ |
+ |
+ <------------------------------------------- COOKIE ACK
+ | |
+ sctp_sf_do_5_1E_ca |
+ Call security_inet_conn_established() |
+ to set the peer label. |
+ | |
+ | If SCTP_SOCKET_TCP or peeled off
+ | socket security_sctp_sk_clone() is
+ | called to clone the new socket.
+ | |
+ ESTABLISHED ESTABLISHED
+ | |
+ ------------------------------------------------------------------
+ | Association Established |
+ ------------------------------------------------------------------
+
+
+SCTP SELinux Support
+====================
+
+Security Hooks
+--------------
+
+The `SCTP LSM Support`_ chapter above describes the following SCTP security
+hooks with the SELinux specifics expanded below::
+
+ security_sctp_assoc_request()
+ security_sctp_bind_connect()
+ security_sctp_sk_clone()
+ security_inet_conn_established()
+
+
+security_sctp_assoc_request()
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Passes the ``@ep`` and ``@chunk->skb`` of the association INIT packet to the
+security module. Returns 0 on success, error on failure.
+::
+
+ @ep - pointer to sctp endpoint structure.
+ @skb - pointer to skbuff of association packet.
+
+The security module performs the following operations:
+ IF this is the first association on ``@ep->base.sk``, then set the peer
+ sid to that in ``@skb``. This will ensure there is only one peer sid
+ assigned to ``@ep->base.sk`` that may support multiple associations.
+
+ ELSE validate the ``@ep->base.sk peer_sid`` against the ``@skb peer sid``
+ to determine whether the association should be allowed or denied.
+
+ Set the sctp ``@ep sid`` to socket's sid (from ``ep->base.sk``) with
+ MLS portion taken from ``@skb peer sid``. This will be used by SCTP
+ TCP style sockets and peeled off connections as they cause a new socket
+ to be generated.
+
+ If IP security options are configured (CIPSO/CALIPSO), then the ip
+ options are set on the socket.
+
+
+security_sctp_bind_connect()
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Checks permissions required for ipv4/ipv6 addresses based on the ``@optname``
+as follows::
+
+ ------------------------------------------------------------------
+ | BIND Permission Checks |
+ | @optname | @address contains |
+ |----------------------------|-----------------------------------|
+ | SCTP_SOCKOPT_BINDX_ADD | One or more ipv4 / ipv6 addresses |
+ | SCTP_PRIMARY_ADDR | Single ipv4 or ipv6 address |
+ | SCTP_SET_PEER_PRIMARY_ADDR | Single ipv4 or ipv6 address |
+ ------------------------------------------------------------------
+
+ ------------------------------------------------------------------
+ | CONNECT Permission Checks |
+ | @optname | @address contains |
+ |----------------------------|-----------------------------------|
+ | SCTP_SOCKOPT_CONNECTX | One or more ipv4 / ipv6 addresses |
+ | SCTP_PARAM_ADD_IP | One or more ipv4 / ipv6 addresses |
+ | SCTP_SENDMSG_CONNECT | Single ipv4 or ipv6 address |
+ | SCTP_PARAM_SET_PRIMARY | Single ipv4 or ipv6 address |
+ ------------------------------------------------------------------
+
+
+`SCTP LSM Support`_ gives a summary of the ``@optname``
+entries and also describes ASCONF chunk processing when Dynamic Address
+Reconfiguration is enabled.
+
+
+security_sctp_sk_clone()
+~~~~~~~~~~~~~~~~~~~~~~~~
+Called whenever a new socket is created by **accept**\(2) (i.e. a TCP style
+socket) or when a socket is 'peeled off' e.g userspace calls
+**sctp_peeloff**\(3). ``security_sctp_sk_clone()`` will set the new
+sockets sid and peer sid to that contained in the ``@ep sid`` and
+``@ep peer sid`` respectively.
+::
+
+ @ep - pointer to current sctp endpoint structure.
+ @sk - pointer to current sock structure.
+ @sk - pointer to new sock structure.
+
+
+security_inet_conn_established()
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Called when a COOKIE ACK is received where it sets the connection's peer sid
+to that in ``@skb``::
+
+ @sk - pointer to sock structure.
+ @skb - pointer to skbuff of the COOKIE ACK packet.
+
+
+Policy Statements
+-----------------
+The following class and permissions to support SCTP are available within the
+kernel::
+
+ class sctp_socket inherits socket { node_bind }
+
+whenever the following policy capability is enabled::
+
+ policycap extended_socket_class;
+
+SELinux SCTP support adds the ``name_connect`` permission for connecting
+to a specific port type and the ``association`` permission that is explained
+in the section below.
+
+If userspace tools have been updated, SCTP will support the ``portcon``
+statement as shown in the following example::
+
+ portcon sctp 1024-1036 system_u:object_r:sctp_ports_t:s0
+
+
+SCTP Peer Labeling
+------------------
+An SCTP socket will only have one peer label assigned to it. This will be
+assigned during the establishment of the first association. Any further
+associations on this socket will have their packet peer label compared to
+the sockets peer label, and only if they are different will the
+``association`` permission be validated. This is validated by checking the
+socket peer sid against the received packets peer sid to determine whether
+the association should be allowed or denied.
+
+NOTES:
+ 1) If peer labeling is not enabled, then the peer context will always be
+ ``SECINITSID_UNLABELED`` (``unlabeled_t`` in Reference Policy).
+
+ 2) As SCTP can support more than one transport address per endpoint
+ (multi-homing) on a single socket, it is possible to configure policy
+ and NetLabel to provide different peer labels for each of these. As the
+ socket peer label is determined by the first associations transport
+ address, it is recommended that all peer labels are consistent.
+
+ 3) **getpeercon**\(3) may be used by userspace to retrieve the sockets peer
+ context.
+
+ 4) While not SCTP specific, be aware when using NetLabel that if a label
+ is assigned to a specific interface, and that interface 'goes down',
+ then the NetLabel service will remove the entry. Therefore ensure that
+ the network startup scripts call **netlabelctl**\(8) to set the required
+ label (see **netlabel-config**\(8) helper script for details).
+
+ 5) The NetLabel SCTP peer labeling rules apply as discussed in the following
+ set of posts tagged "netlabel" at: http://www.paul-moore.com/blog/t.
+
+ 6) CIPSO is only supported for IPv4 addressing: ``socket(AF_INET, ...)``
+ CALIPSO is only supported for IPv6 addressing: ``socket(AF_INET6, ...)``
+
+ Note the following when testing CIPSO/CALIPSO:
+ a) CIPSO will send an ICMP packet if an SCTP packet cannot be
+ delivered because of an invalid label.
+ b) CALIPSO does not send an ICMP packet, just silently discards it.
+
+ 7) IPSEC is not supported as RFC 3554 - sctp/ipsec support has not been
+ implemented in userspace (**racoon**\(8) or **ipsec_pluto**\(8)),
+ although the kernel supports SCTP/IPSEC.
+++ /dev/null
-SCTP SELinux Support
-=====================
-
-Security Hooks
-===============
-
-``Documentation/security/LSM-sctp.rst`` describes the following SCTP security
-hooks with the SELinux specifics expanded below::
-
- security_sctp_assoc_request()
- security_sctp_bind_connect()
- security_sctp_sk_clone()
- security_inet_conn_established()
-
-
-security_sctp_assoc_request()
------------------------------
-Passes the ``@ep`` and ``@chunk->skb`` of the association INIT packet to the
-security module. Returns 0 on success, error on failure.
-::
-
- @ep - pointer to sctp endpoint structure.
- @skb - pointer to skbuff of association packet.
-
-The security module performs the following operations:
- IF this is the first association on ``@ep->base.sk``, then set the peer
- sid to that in ``@skb``. This will ensure there is only one peer sid
- assigned to ``@ep->base.sk`` that may support multiple associations.
-
- ELSE validate the ``@ep->base.sk peer_sid`` against the ``@skb peer sid``
- to determine whether the association should be allowed or denied.
-
- Set the sctp ``@ep sid`` to socket's sid (from ``ep->base.sk``) with
- MLS portion taken from ``@skb peer sid``. This will be used by SCTP
- TCP style sockets and peeled off connections as they cause a new socket
- to be generated.
-
- If IP security options are configured (CIPSO/CALIPSO), then the ip
- options are set on the socket.
-
-
-security_sctp_bind_connect()
------------------------------
-Checks permissions required for ipv4/ipv6 addresses based on the ``@optname``
-as follows::
-
- ------------------------------------------------------------------
- | BIND Permission Checks |
- | @optname | @address contains |
- |----------------------------|-----------------------------------|
- | SCTP_SOCKOPT_BINDX_ADD | One or more ipv4 / ipv6 addresses |
- | SCTP_PRIMARY_ADDR | Single ipv4 or ipv6 address |
- | SCTP_SET_PEER_PRIMARY_ADDR | Single ipv4 or ipv6 address |
- ------------------------------------------------------------------
-
- ------------------------------------------------------------------
- | CONNECT Permission Checks |
- | @optname | @address contains |
- |----------------------------|-----------------------------------|
- | SCTP_SOCKOPT_CONNECTX | One or more ipv4 / ipv6 addresses |
- | SCTP_PARAM_ADD_IP | One or more ipv4 / ipv6 addresses |
- | SCTP_SENDMSG_CONNECT | Single ipv4 or ipv6 address |
- | SCTP_PARAM_SET_PRIMARY | Single ipv4 or ipv6 address |
- ------------------------------------------------------------------
-
-
-``Documentation/security/LSM-sctp.rst`` gives a summary of the ``@optname``
-entries and also describes ASCONF chunk processing when Dynamic Address
-Reconfiguration is enabled.
-
-
-security_sctp_sk_clone()
--------------------------
-Called whenever a new socket is created by **accept**\(2) (i.e. a TCP style
-socket) or when a socket is 'peeled off' e.g userspace calls
-**sctp_peeloff**\(3). ``security_sctp_sk_clone()`` will set the new
-sockets sid and peer sid to that contained in the ``@ep sid`` and
-``@ep peer sid`` respectively.
-::
-
- @ep - pointer to current sctp endpoint structure.
- @sk - pointer to current sock structure.
- @sk - pointer to new sock structure.
-
-
-security_inet_conn_established()
----------------------------------
-Called when a COOKIE ACK is received where it sets the connection's peer sid
-to that in ``@skb``::
-
- @sk - pointer to sock structure.
- @skb - pointer to skbuff of the COOKIE ACK packet.
-
-
-Policy Statements
-==================
-The following class and permissions to support SCTP are available within the
-kernel::
-
- class sctp_socket inherits socket { node_bind }
-
-whenever the following policy capability is enabled::
-
- policycap extended_socket_class;
-
-SELinux SCTP support adds the ``name_connect`` permission for connecting
-to a specific port type and the ``association`` permission that is explained
-in the section below.
-
-If userspace tools have been updated, SCTP will support the ``portcon``
-statement as shown in the following example::
-
- portcon sctp 1024-1036 system_u:object_r:sctp_ports_t:s0
-
-
-SCTP Peer Labeling
-===================
-An SCTP socket will only have one peer label assigned to it. This will be
-assigned during the establishment of the first association. Any further
-associations on this socket will have their packet peer label compared to
-the sockets peer label, and only if they are different will the
-``association`` permission be validated. This is validated by checking the
-socket peer sid against the received packets peer sid to determine whether
-the association should be allowed or denied.
-
-NOTES:
- 1) If peer labeling is not enabled, then the peer context will always be
- ``SECINITSID_UNLABELED`` (``unlabeled_t`` in Reference Policy).
-
- 2) As SCTP can support more than one transport address per endpoint
- (multi-homing) on a single socket, it is possible to configure policy
- and NetLabel to provide different peer labels for each of these. As the
- socket peer label is determined by the first associations transport
- address, it is recommended that all peer labels are consistent.
-
- 3) **getpeercon**\(3) may be used by userspace to retrieve the sockets peer
- context.
-
- 4) While not SCTP specific, be aware when using NetLabel that if a label
- is assigned to a specific interface, and that interface 'goes down',
- then the NetLabel service will remove the entry. Therefore ensure that
- the network startup scripts call **netlabelctl**\(8) to set the required
- label (see **netlabel-config**\(8) helper script for details).
-
- 5) The NetLabel SCTP peer labeling rules apply as discussed in the following
- set of posts tagged "netlabel" at: http://www.paul-moore.com/blog/t.
-
- 6) CIPSO is only supported for IPv4 addressing: ``socket(AF_INET, ...)``
- CALIPSO is only supported for IPv6 addressing: ``socket(AF_INET6, ...)``
-
- Note the following when testing CIPSO/CALIPSO:
- a) CIPSO will send an ICMP packet if an SCTP packet cannot be
- delivered because of an invalid label.
- b) CALIPSO does not send an ICMP packet, just silently discards it.
-
- 7) IPSEC is not supported as RFC 3554 - sctp/ipsec support has not been
- implemented in userspace (**racoon**\(8) or **ipsec_pluto**\(8)),
- although the kernel supports SCTP/IPSEC.
IMA-templates
keys/index
LSM
- LSM-sctp
- SELinux-sctp
+ SCTP
self-protection
tpm/index
}
/* This supports connect(2) and SCTP connect services such as sctp_connectx(3)
- * and sctp_sendmsg(3) as described in Documentation/security/LSM-sctp.rst
+ * and sctp_sendmsg(3) as described in Documentation/security/SCTP.rst
*/
static int selinux_socket_connect_helper(struct socket *sock,
struct sockaddr *address, int addrlen)