[v2,0/4] keys: Add EFI_CERT_X509_GUID support for dbx/mokx entries
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Message ID 161433310139.902181.11787442834918634133.stgit@warthog.procyon.org.uk
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  • keys: Add EFI_CERT_X509_GUID support for dbx/mokx entries
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David Howells Feb. 26, 2021, 9:51 a.m. UTC
Here's my take on v5 of Eric Snowberg's patches[1]:

This series of patches adds support for EFI_CERT_X509_GUID entries [2].  It has
been expanded to not only include dbx entries but also entries in the mokx.
Additionally Eric included his patches to preload these certificate [3].

The patches can be found on the following branch:

	https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/log/?h=keys-cve-2020-26541-branch

Changes:

ver #2:
 - Rolled in a fix to the second patch to include certs/common.h in
   certs/common.c[6].

ver #1:
 - I've modified the first patch in the series to fix a configuration
   problem[4][5], to move the added functions to a more logical place
   within thefile and to add kerneldoc comments.

Link: https://lore.kernel.org/r/20210122181054.32635-1-eric.snowberg@oracle.com [1]
Link: https://patchwork.kernel.org/project/linux-security-module/patch/20200916004927.64276-1-eric.snowberg@oracle.com/ [2]
Link: https://lore.kernel.org/patchwork/cover/1315485/ [3]
Link: https://lore.kernel.org/r/bc2c24e3-ed68-2521-0bf4-a1f6be4a895d@infradead.org/ [4]
Link: https://lore.kernel.org/r/20210225125638.1841436-1-arnd@kernel.org/ [5]
Link: https://lore.kernel.org/r/EDA280F9-F72D-4181-93C7-CDBE95976FF7@oracle.com/ [6]
Link: https://lore.kernel.org/r/161428671215.677100.6372209948022011988.stgit@warthog.procyon.org.uk/

David
---
Eric Snowberg (4):
      certs: Add EFI_CERT_X509_GUID support for dbx entries
      certs: Move load_system_certificate_list to a common function
      certs: Add ability to preload revocation certs
      integrity: Load mokx variables into the blacklist keyring


 certs/Kconfig                                 |  8 +++
 certs/Makefile                                | 20 ++++++-
 certs/blacklist.c                             | 17 ++++++
 certs/common.c                                | 57 +++++++++++++++++++
 certs/common.h                                |  9 +++
 certs/revocation_certificates.S               | 21 +++++++
 certs/system_keyring.c                        | 49 +---------------
 scripts/Makefile                              |  1 +
 security/integrity/platform_certs/load_uefi.c | 20 ++++++-
 9 files changed, 151 insertions(+), 51 deletions(-)
 create mode 100644 certs/common.c
 create mode 100644 certs/common.h
 create mode 100644 certs/revocation_certificates.S