diff options
| author | Roberto Sassu <roberto.sassu@huawei.com> | 2024-02-15 13:31:02 +0300 |
|---|---|---|
| committer | Paul Moore <paul@paul-moore.com> | 2024-02-16 07:43:43 +0300 |
| commit | 08abce60d63fb55f440c393f4508e99064f2fd91 (patch) | |
| tree | bc903aa7b37fbbb9c9f71a5b705838b18c0b4489 /include/linux/lsm_hook_defs.h | |
| parent | f09068b5a114ed28d2df2e82a7d30dde0145dc69 (diff) | |
| download | linux-08abce60d63fb55f440c393f4508e99064f2fd91.tar.xz | |
security: Introduce path_post_mknod hook
In preparation for moving IMA and EVM to the LSM infrastructure, introduce
the path_post_mknod hook.
IMA-appraisal requires all existing files in policy to have a file
hash/signature stored in security.ima. An exception is made for empty files
created by mknod, by tagging them as new files.
LSMs could also take some action after files are created.
The new hook cannot return an error and cannot cause the operation to be
reverted.
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Acked-by: Casey Schaufler <casey@schaufler-ca.com>
Reviewed-by: Mimi Zohar <zohar@linux.ibm.com>
Acked-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
Diffstat (limited to 'include/linux/lsm_hook_defs.h')
| -rw-r--r-- | include/linux/lsm_hook_defs.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h index 7f9e9240606e..dba5d8204dc5 100644 --- a/include/linux/lsm_hook_defs.h +++ b/include/linux/lsm_hook_defs.h @@ -94,6 +94,8 @@ LSM_HOOK(int, 0, path_mkdir, const struct path *dir, struct dentry *dentry, LSM_HOOK(int, 0, path_rmdir, const struct path *dir, struct dentry *dentry) LSM_HOOK(int, 0, path_mknod, const struct path *dir, struct dentry *dentry, umode_t mode, unsigned int dev) +LSM_HOOK(void, LSM_RET_VOID, path_post_mknod, struct mnt_idmap *idmap, + struct dentry *dentry) LSM_HOOK(int, 0, path_truncate, const struct path *path) LSM_HOOK(int, 0, path_symlink, const struct path *dir, struct dentry *dentry, const char *old_name) |