diff options
| -rw-r--r-- | fs/nfsd/nfs4acl.c | 43 |
1 files changed, 30 insertions, 13 deletions
diff --git a/fs/nfsd/nfs4acl.c b/fs/nfsd/nfs4acl.c index f2f66b3da7ac..59fdd9c1d3ee 100644 --- a/fs/nfsd/nfs4acl.c +++ b/fs/nfsd/nfs4acl.c @@ -63,6 +63,8 @@ #define NFS4_INHERITANCE_FLAGS (NFS4_ACE_FILE_INHERIT_ACE \ | NFS4_ACE_DIRECTORY_INHERIT_ACE | NFS4_ACE_INHERIT_ONLY_ACE) +#define NFS4_SUPPORTED_FLAGS (NFS4_INHERITANCE_FLAGS | NFS4_ACE_IDENTIFIER_GROUP) + #define MASK_EQUAL(mask1, mask2) \ ( ((mask1) & NFS4_ACE_MASK_ALL) == ((mask2) & NFS4_ACE_MASK_ALL) ) @@ -721,22 +723,37 @@ nfs4_acl_split(struct nfs4_acl *acl, struct nfs4_acl *dacl) ace->type != NFS4_ACE_ACCESS_DENIED_ACE_TYPE) return -EINVAL; - if ((ace->flag & NFS4_INHERITANCE_FLAGS) - != NFS4_INHERITANCE_FLAGS) - continue; + if (ace->flag & ~NFS4_SUPPORTED_FLAGS) + return -EINVAL; - error = nfs4_acl_add_ace(dacl, ace->type, ace->flag, + switch (ace->flag & NFS4_INHERITANCE_FLAGS) { + case 0: + /* Leave this ace in the effective acl: */ + continue; + case NFS4_INHERITANCE_FLAGS: + /* Add this ace to the default acl and remove it + * from the effective acl: */ + error = nfs4_acl_add_ace(dacl, ace->type, ace->flag, ace->access_mask, ace->whotype, ace->who); - if (error < 0) - goto out; - - list_del(h); - kfree(ace); - acl->naces--; + if (error) + return error; + list_del(h); + kfree(ace); + acl->naces--; + break; + case NFS4_INHERITANCE_FLAGS & ~NFS4_ACE_INHERIT_ONLY_ACE: + /* Add this ace to the default, but leave it in + * the effective acl as well: */ + error = nfs4_acl_add_ace(dacl, ace->type, ace->flag, + ace->access_mask, ace->whotype, ace->who); + if (error) + return error; + break; + default: + return -EINVAL; + } } - -out: - return error; + return 0; } static short |