Re: [PATCH -next v2 0/6] landlock: add chmod and chown support

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On 18/04/2023 12:53, xiujianfeng wrote:
Hi Mickael,

Sorry about the long silence on this work, As we known this work depends
on another work about changing argument from struct dentry to struct
path for some attr/xattr related lsm hooks, I'm stuck with this thing,
because IMA/EVM is a special security module which is not LSM-based
currently, and severely coupled with the file system. so I am waiting
for Roberto Sassu' work (Move IMA and EVM to the LSM infrastructure) to
be ready, I think it can make my work more easy. you can find
Roberto'work here,
https://lwn.net/ml/linux-kernel/20230303181842.1087717-1-roberto.sassu@xxxxxxxxxxxxxxx/

Any good idea are welcome, thanks.

Thanks for the update Xiu.

Which part would be needed from Roberto's patch series?




On 2022/8/27 19:12, Xiu Jianfeng wrote:
v2:
  * abstract walk_to_visible_parent() helper
  * chmod and chown rights only take affect on directory's context
  * add testcase for fchmodat/lchown/fchownat
  * fix other review issues

Xiu Jianfeng (6):
   landlock: expand access_mask_t to u32 type
   landlock: abstract walk_to_visible_parent() helper
   landlock: add chmod and chown support
   landlock/selftests: add selftests for chmod and chown
   landlock/samples: add chmod and chown support
   landlock: update chmod and chown support in document

  Documentation/userspace-api/landlock.rst     |   9 +-
  include/uapi/linux/landlock.h                |  10 +-
  samples/landlock/sandboxer.c                 |  13 +-
  security/landlock/fs.c                       | 110 ++++++--
  security/landlock/limits.h                   |   2 +-
  security/landlock/ruleset.h                  |   2 +-
  security/landlock/syscalls.c                 |   2 +-
  tools/testing/selftests/landlock/base_test.c |   2 +-
  tools/testing/selftests/landlock/fs_test.c   | 267 ++++++++++++++++++-
  9 files changed, 386 insertions(+), 31 deletions(-)




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