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| author | David Quigley <dpquigl@davequigley.com> | 2013-05-22 12:50:34 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-06-08 16:19:41 -0400 |
| commit | d47be3dfecaf20255af89a57460285c82d5271ad (patch) | |
| tree | 6427561f82a9bf90f17d748a865e3e0084919540 /security/capability.c | |
| parent | 4488cc96c581f130f3e86283d514123dce0dd46b (diff) | |
| download | linux-stable-d47be3dfecaf20255af89a57460285c82d5271ad.tar.gz linux-stable-d47be3dfecaf20255af89a57460285c82d5271ad.tar.bz2 linux-stable-d47be3dfecaf20255af89a57460285c82d5271ad.zip | |
Security: Add hook to calculate context based on a negative dentry.
There is a time where we need to calculate a context without the
inode having been created yet. To do this we take the negative dentry and
calculate a context based on the process and the parent directory contexts.
Acked-by: Eric Paris <eparis@redhat.com>
Acked-by: James Morris <james.l.morris@oracle.com>
Signed-off-by: Matthew N. Dodd <Matthew.Dodd@sparta.com>
Signed-off-by: Miguel Rodel Felipe <Rodel_FM@dsi.a-star.edu.sg>
Signed-off-by: Phua Eu Gene <PHUA_Eu_Gene@dsi.a-star.edu.sg>
Signed-off-by: Khin Mi Mi Aung <Mi_Mi_AUNG@dsi.a-star.edu.sg>
Signed-off-by: Steve Dickson <steved@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'security/capability.c')
| -rw-r--r-- | security/capability.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/security/capability.c b/security/capability.c index 1728d4e375db..58578b4bdad4 100644 --- a/security/capability.c +++ b/security/capability.c @@ -109,6 +109,13 @@ static int cap_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) return 0; } +static int cap_dentry_init_security(struct dentry *dentry, int mode, + struct qstr *name, void **ctx, + u32 *ctxlen) +{ + return 0; +} + static int cap_inode_alloc_security(struct inode *inode) { return 0; @@ -931,6 +938,7 @@ void __init security_fixup_ops(struct security_operations *ops) set_to_cap_if_null(ops, sb_set_mnt_opts); set_to_cap_if_null(ops, sb_clone_mnt_opts); set_to_cap_if_null(ops, sb_parse_opts_str); + set_to_cap_if_null(ops, dentry_init_security); set_to_cap_if_null(ops, inode_alloc_security); set_to_cap_if_null(ops, inode_free_security); set_to_cap_if_null(ops, inode_init_security); |