diff options
Diffstat (limited to 'security/selinux/ss/services.c')
| -rw-r--r-- | security/selinux/ss/services.c | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c index b52f923ce680..8e42da120101 100644 --- a/security/selinux/ss/services.c +++ b/security/selinux/ss/services.c @@ -1934,7 +1934,8 @@ out: int security_fs_use( const char *fstype, unsigned int *behavior, - u32 *sid) + u32 *sid, + bool can_xattr) { int rc = 0; struct ocontext *c; @@ -1948,6 +1949,7 @@ int security_fs_use( c = c->next; } + /* look for labeling behavior defined in policy */ if (c) { *behavior = c->v.behavior; if (!c->sid[0]) { @@ -1958,14 +1960,23 @@ int security_fs_use( goto out; } *sid = c->sid[0]; + goto out; + } + + /* labeling behavior not in policy, use xattrs if possible */ + if (can_xattr) { + *behavior = SECURITY_FS_USE_XATTR; + *sid = SECINITSID_FS; + goto out; + } + + /* no behavior in policy and can't use xattrs, try GENFS */ + rc = security_genfs_sid(fstype, "/", SECCLASS_DIR, sid); + if (rc) { + *behavior = SECURITY_FS_USE_NONE; + rc = 0; } else { - rc = security_genfs_sid(fstype, "/", SECCLASS_DIR, sid); - if (rc) { - *behavior = SECURITY_FS_USE_NONE; - rc = 0; - } else { - *behavior = SECURITY_FS_USE_GENFS; - } + *behavior = SECURITY_FS_USE_GENFS; } out: |