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authorEric Paris <eparis@redhat.com>2008-03-05 10:31:54 -0500
committerJames Morris <jmorris@namei.org>2008-03-06 08:40:53 +1100
commite0007529893c1c064be90bd21422ca0da4a0198e (patch)
treec2334ba940e682183a18d18972cf95bd3a3da46a /security/selinux/include
parent29e8c3c304b62f31b799565c9ee85d42bd163f80 (diff)
LSM/SELinux: Interfaces to allow FS to control mount options
Introduce new LSM interfaces to allow an FS to deal with their own mount options. This includes a new string parsing function exported from the LSM that an FS can use to get a security data blob and a new security data blob. This is particularly useful for an FS which uses binary mount data, like NFS, which does not pass strings into the vfs to be handled by the loaded LSM. Also fix a BUG() in both SELinux and SMACK when dealing with binary mount data. If the binary mount data is less than one page the copy_page() in security_sb_copy_data() can cause an illegal page fault and boom. Remove all NFSisms from the SELinux code since they were broken by past NFS changes. Signed-off-by: Eric Paris <eparis@redhat.com> Acked-by: Stephen Smalley <sds@tycho.nsa.gov> Acked-by: Casey Schaufler <casey@schaufler-ca.com> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'security/selinux/include')
-rw-r--r--security/selinux/include/security.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h
index 837ce420d2f..f7d2f03781f 100644
--- a/security/selinux/include/security.h
+++ b/security/selinux/include/security.h
@@ -35,6 +35,11 @@
#define POLICYDB_VERSION_MAX POLICYDB_VERSION_POLCAP
#endif
+#define CONTEXT_MNT 0x01
+#define FSCONTEXT_MNT 0x02
+#define ROOTCONTEXT_MNT 0x04
+#define DEFCONTEXT_MNT 0x08
+
struct netlbl_lsm_secattr;
extern int selinux_enabled;