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| author | Stefan Berger <stefanb@linux.ibm.com> | 2024-02-23 12:25:05 -0500 |
|---|---|---|
| committer | Mimi Zohar <zohar@linux.ibm.com> | 2024-04-09 17:14:57 -0400 |
| commit | 3253804773c0613a1bad5bfea2edf172b760d8b6 (patch) | |
| tree | d3f6b1b665725dbf66221496577d3030b9a9692f /include/linux/security.h | |
| parent | c21632b66895eb23c05e4eeedb68128fb243d168 (diff) | |
| download | lwn-3253804773c0613a1bad5bfea2edf172b760d8b6.tar.gz lwn-3253804773c0613a1bad5bfea2edf172b760d8b6.zip | |
security: allow finer granularity in permitting copy-up of security xattrs
Copying up xattrs is solely based on the security xattr name. For finer
granularity add a dentry parameter to the security_inode_copy_up_xattr
hook definition, allowing decisions to be based on the xattr content as
well.
Co-developed-by: Mimi Zohar <zohar@linux.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Acked-by: Amir Goldstein <amir73il@gmail.com>
Acked-by: Paul Moore <paul@paul-moore.com> (LSM,SELinux)
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Diffstat (limited to 'include/linux/security.h')
| -rw-r--r-- | include/linux/security.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/security.h b/include/linux/security.h index 41a8f667bdfa..21cf70346b33 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -398,7 +398,7 @@ int security_inode_setsecurity(struct inode *inode, const char *name, const void int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size); void security_inode_getsecid(struct inode *inode, u32 *secid); int security_inode_copy_up(struct dentry *src, struct cred **new); -int security_inode_copy_up_xattr(const char *name); +int security_inode_copy_up_xattr(struct dentry *src, const char *name); int security_kernfs_init_security(struct kernfs_node *kn_dir, struct kernfs_node *kn); int security_file_permission(struct file *file, int mask); @@ -1016,7 +1016,7 @@ static inline int security_kernfs_init_security(struct kernfs_node *kn_dir, return 0; } -static inline int security_inode_copy_up_xattr(const char *name) +static inline int security_inode_copy_up_xattr(struct dentry *src, const char *name) { return -EOPNOTSUPP; } |