diff options
Diffstat (limited to 'fs/nfsd/nfs4acl.c')
-rw-r--r-- | fs/nfsd/nfs4acl.c | 25 |
1 files changed, 7 insertions, 18 deletions
diff --git a/fs/nfsd/nfs4acl.c b/fs/nfsd/nfs4acl.c index 2797051cd2b4..8daa3f8bb303 100644 --- a/fs/nfsd/nfs4acl.c +++ b/fs/nfsd/nfs4acl.c | |||
@@ -180,7 +180,8 @@ _posix_to_nfsv4_one(struct posix_acl *pacl, struct nfs4_acl *acl, | |||
180 | unsigned int flags) | 180 | unsigned int flags) |
181 | { | 181 | { |
182 | struct posix_acl_entry *pa, *pe, *group_owner_entry; | 182 | struct posix_acl_entry *pa, *pe, *group_owner_entry; |
183 | u32 mask, mask_mask; | 183 | u32 mask; |
184 | unsigned short mask_mask; | ||
184 | int eflag = ((flags & NFS4_ACL_TYPE_DEFAULT) ? | 185 | int eflag = ((flags & NFS4_ACL_TYPE_DEFAULT) ? |
185 | NFS4_INHERITANCE_FLAGS : 0); | 186 | NFS4_INHERITANCE_FLAGS : 0); |
186 | 187 | ||
@@ -188,9 +189,9 @@ _posix_to_nfsv4_one(struct posix_acl *pacl, struct nfs4_acl *acl, | |||
188 | pe = pacl->a_entries + pacl->a_count; | 189 | pe = pacl->a_entries + pacl->a_count; |
189 | pa = pe - 2; /* if mask entry exists, it's second from the last. */ | 190 | pa = pe - 2; /* if mask entry exists, it's second from the last. */ |
190 | if (pa->e_tag == ACL_MASK) | 191 | if (pa->e_tag == ACL_MASK) |
191 | mask_mask = deny_mask(mask_from_posix(pa->e_perm, flags), flags); | 192 | mask_mask = pa->e_perm; |
192 | else | 193 | else |
193 | mask_mask = 0; | 194 | mask_mask = S_IRWXO; |
194 | 195 | ||
195 | pa = pacl->a_entries; | 196 | pa = pacl->a_entries; |
196 | BUG_ON(pa->e_tag != ACL_USER_OBJ); | 197 | BUG_ON(pa->e_tag != ACL_USER_OBJ); |
@@ -199,10 +200,7 @@ _posix_to_nfsv4_one(struct posix_acl *pacl, struct nfs4_acl *acl, | |||
199 | pa++; | 200 | pa++; |
200 | 201 | ||
201 | while (pa->e_tag == ACL_USER) { | 202 | while (pa->e_tag == ACL_USER) { |
202 | mask = mask_from_posix(pa->e_perm, flags); | 203 | mask = mask_from_posix(pa->e_perm & mask_mask, flags); |
203 | nfs4_acl_add_ace(acl, NFS4_ACE_ACCESS_DENIED_ACE_TYPE, | ||
204 | eflag, mask_mask, NFS4_ACL_WHO_NAMED, pa->e_id); | ||
205 | |||
206 | nfs4_acl_add_pair(acl, eflag, mask, | 204 | nfs4_acl_add_pair(acl, eflag, mask, |
207 | NFS4_ACL_WHO_NAMED, pa->e_id, flags); | 205 | NFS4_ACL_WHO_NAMED, pa->e_id, flags); |
208 | pa++; | 206 | pa++; |
@@ -213,24 +211,15 @@ _posix_to_nfsv4_one(struct posix_acl *pacl, struct nfs4_acl *acl, | |||
213 | 211 | ||
214 | /* allow ACEs */ | 212 | /* allow ACEs */ |
215 | 213 | ||
216 | if (pacl->a_count > 3) { | ||
217 | BUG_ON(pa->e_tag != ACL_GROUP_OBJ); | ||
218 | nfs4_acl_add_ace(acl, NFS4_ACE_ACCESS_DENIED_ACE_TYPE, | ||
219 | NFS4_ACE_IDENTIFIER_GROUP | eflag, mask_mask, | ||
220 | NFS4_ACL_WHO_GROUP, 0); | ||
221 | } | ||
222 | group_owner_entry = pa; | 214 | group_owner_entry = pa; |
223 | mask = mask_from_posix(pa->e_perm, flags); | 215 | mask = mask_from_posix(pa->e_perm & mask_mask, flags); |
224 | nfs4_acl_add_ace(acl, NFS4_ACE_ACCESS_ALLOWED_ACE_TYPE, | 216 | nfs4_acl_add_ace(acl, NFS4_ACE_ACCESS_ALLOWED_ACE_TYPE, |
225 | NFS4_ACE_IDENTIFIER_GROUP | eflag, mask, | 217 | NFS4_ACE_IDENTIFIER_GROUP | eflag, mask, |
226 | NFS4_ACL_WHO_GROUP, 0); | 218 | NFS4_ACL_WHO_GROUP, 0); |
227 | pa++; | 219 | pa++; |
228 | 220 | ||
229 | while (pa->e_tag == ACL_GROUP) { | 221 | while (pa->e_tag == ACL_GROUP) { |
230 | mask = mask_from_posix(pa->e_perm, flags); | 222 | mask = mask_from_posix(pa->e_perm & mask_mask, flags); |
231 | nfs4_acl_add_ace(acl, NFS4_ACE_ACCESS_DENIED_ACE_TYPE, | ||
232 | NFS4_ACE_IDENTIFIER_GROUP | eflag, mask_mask, | ||
233 | NFS4_ACL_WHO_NAMED, pa->e_id); | ||
234 | nfs4_acl_add_ace(acl, NFS4_ACE_ACCESS_ALLOWED_ACE_TYPE, | 223 | nfs4_acl_add_ace(acl, NFS4_ACE_ACCESS_ALLOWED_ACE_TYPE, |
235 | NFS4_ACE_IDENTIFIER_GROUP | eflag, mask, | 224 | NFS4_ACE_IDENTIFIER_GROUP | eflag, mask, |
236 | NFS4_ACL_WHO_NAMED, pa->e_id); | 225 | NFS4_ACL_WHO_NAMED, pa->e_id); |