Eric Lee / smarc-fsl-linux-kernel

28 Jun, 2016

8 commits

  • 4fee5242b   calipso: Add a label cache. ... Browse Code »

    This works in exactly the same way as the CIPSO label cache.
    The idea is to allow the lsm to cache the result of a secattr
    lookup so that it doesn't need to perform the lookup for
    every skbuff.

    It introduces two sysctl controls:
    calipso_cache_enable - enables/disables the cache.
    calipso_cache_bucket_size - sets the size of a cache bucket.

    Signed-off-by: Huw Davies
    Signed-off-by: Paul Moore

    Huw Davies
     
  • 2917f57b6   calipso: Allow the lsm to label the skbuff directly. ... Browse Code »

    In some cases, the lsm needs to add the label to the skbuff directly.
    A NF_INET_LOCAL_OUT IPv6 hook is added to selinux to match the IPv4
    behaviour. This allows selinux to label the skbuffs that it requires.

    Signed-off-by: Huw Davies
    Signed-off-by: Paul Moore

    Huw Davies
     
  • e1adea927   calipso: Allow request sockets to be relabelled by the lsm. ... Browse Code »

    Request sockets need to have a label that takes into account the
    incoming connection as well as their parent's label. This is used
    for the outgoing SYN-ACK and for their child full-socket.

    Signed-off-by: Huw Davies
    Signed-off-by: Paul Moore

    Huw Davies
     
  • ceba1832b   calipso: Set the calipso socket label to match the secattr. ... Browse Code »

    CALIPSO is a hop-by-hop IPv6 option. A lot of this patch is based on
    the equivalent CISPO code. The main difference is due to manipulating
    the options in the hop-by-hop header.

    Signed-off-by: Huw Davies
    Signed-off-by: Paul Moore

    Huw Davies
     
  • d7cce0150   netlabel: Add support for removing a CALIPSO DOI. ... Browse Code »

    Remove a specified DOI through the NLBL_CALIPSO_C_REMOVE command.
    It requires the attribute:
    NLBL_CALIPSO_A_DOI.

    Signed-off-by: Huw Davies
    Signed-off-by: Paul Moore

    Huw Davies
     
  • e1ce69df7   netlabel: Add support for enumerating the CALIPSO DOI list. ... Browse Code »

    Enumerate the DOI list through the NLBL_CALIPSO_C_LISTALL command.
    It takes no attributes.

    Signed-off-by: Huw Davies
    Signed-off-by: Paul Moore

    Huw Davies
     
  • a5e34490c   netlabel: Add support for querying a CALIPSO DOI. ... Browse Code »

    Query a specified DOI through the NLBL_CALIPSO_C_LIST command.
    It requires the attribute:
    NLBL_CALIPSO_A_DOI.

    The reply will contain:
    NLBL_CALIPSO_A_MTYPE

    Signed-off-by: Huw Davies
    Signed-off-by: Paul Moore

    Huw Davies
     
  • cb72d3821   netlabel: Initial support for the CALIPSO netlink protocol. ... Browse Code »

    CALIPSO is a packet labelling protocol for IPv6 which is very similar
    to CIPSO. It is specified in RFC 5570. Much of the code is based on
    the current CIPSO code.

    This adds support for adding passthrough-type CALIPSO DOIs through the
    NLBL_CALIPSO_C_ADD command. It requires attributes:

    NLBL_CALIPSO_A_TYPE which must be CALIPSO_MAP_PASS.
    NLBL_CALIPSO_A_DOI.

    In passthrough mode the CALIPSO engine will map MLS secattr levels
    and categories directly to the packet label.

    At this stage, the major difference between this and the CIPSO
    code is that IPv6 may be compiled as a module. To allow for
    this the CALIPSO functions are registered at module init time.

    Signed-off-by: Huw Davies
    Signed-off-by: Paul Moore

    Huw Davies