diff options
-rw-r--r-- | fs/nfs_common/nfsacl.c | 70 |
1 files changed, 35 insertions, 35 deletions
diff --git a/fs/nfs_common/nfsacl.c b/fs/nfs_common/nfsacl.c index 251e5a1bb1c4..0c2be8c0307d 100644 --- a/fs/nfs_common/nfsacl.c +++ b/fs/nfs_common/nfsacl.c | |||
@@ -48,43 +48,26 @@ xdr_nfsace_encode(struct xdr_array2_desc *desc, void *elem) | |||
48 | (struct nfsacl_encode_desc *) desc; | 48 | (struct nfsacl_encode_desc *) desc; |
49 | u32 *p = (u32 *) elem; | 49 | u32 *p = (u32 *) elem; |
50 | 50 | ||
51 | if (nfsacl_desc->count < nfsacl_desc->acl->a_count) { | 51 | struct posix_acl_entry *entry = |
52 | struct posix_acl_entry *entry = | 52 | &nfsacl_desc->acl->a_entries[nfsacl_desc->count++]; |
53 | &nfsacl_desc->acl->a_entries[nfsacl_desc->count++]; | ||
54 | 53 | ||
55 | *p++ = htonl(entry->e_tag | nfsacl_desc->typeflag); | 54 | *p++ = htonl(entry->e_tag | nfsacl_desc->typeflag); |
56 | switch(entry->e_tag) { | 55 | switch(entry->e_tag) { |
57 | case ACL_USER_OBJ: | 56 | case ACL_USER_OBJ: |
58 | *p++ = htonl(nfsacl_desc->uid); | 57 | *p++ = htonl(nfsacl_desc->uid); |
59 | break; | 58 | break; |
60 | case ACL_GROUP_OBJ: | 59 | case ACL_GROUP_OBJ: |
61 | *p++ = htonl(nfsacl_desc->gid); | 60 | *p++ = htonl(nfsacl_desc->gid); |
62 | break; | 61 | break; |
63 | case ACL_USER: | 62 | case ACL_USER: |
64 | case ACL_GROUP: | 63 | case ACL_GROUP: |
65 | *p++ = htonl(entry->e_id); | 64 | *p++ = htonl(entry->e_id); |
66 | break; | 65 | break; |
67 | default: /* Solaris depends on that! */ | 66 | default: /* Solaris depends on that! */ |
68 | *p++ = 0; | 67 | *p++ = 0; |
69 | break; | 68 | break; |
70 | } | ||
71 | *p++ = htonl(entry->e_perm & S_IRWXO); | ||
72 | } else { | ||
73 | const struct posix_acl_entry *pa, *pe; | ||
74 | int group_obj_perm = ACL_READ|ACL_WRITE|ACL_EXECUTE; | ||
75 | |||
76 | FOREACH_ACL_ENTRY(pa, nfsacl_desc->acl, pe) { | ||
77 | if (pa->e_tag == ACL_GROUP_OBJ) { | ||
78 | group_obj_perm = pa->e_perm & S_IRWXO; | ||
79 | break; | ||
80 | } | ||
81 | } | ||
82 | /* fake up ACL_MASK entry */ | ||
83 | *p++ = htonl(ACL_MASK | nfsacl_desc->typeflag); | ||
84 | *p++ = htonl(0); | ||
85 | *p++ = htonl(group_obj_perm); | ||
86 | } | 69 | } |
87 | 70 | *p++ = htonl(entry->e_perm & S_IRWXO); | |
88 | return 0; | 71 | return 0; |
89 | } | 72 | } |
90 | 73 | ||
@@ -105,11 +88,28 @@ nfsacl_encode(struct xdr_buf *buf, unsigned int base, struct inode *inode, | |||
105 | .gid = inode->i_gid, | 88 | .gid = inode->i_gid, |
106 | }; | 89 | }; |
107 | int err; | 90 | int err; |
91 | struct posix_acl *acl2 = NULL; | ||
108 | 92 | ||
109 | if (entries > NFS_ACL_MAX_ENTRIES || | 93 | if (entries > NFS_ACL_MAX_ENTRIES || |
110 | xdr_encode_word(buf, base, entries)) | 94 | xdr_encode_word(buf, base, entries)) |
111 | return -EINVAL; | 95 | return -EINVAL; |
96 | if (encode_entries && acl && acl->a_count == 3) { | ||
97 | /* Fake up an ACL_MASK entry. */ | ||
98 | acl2 = posix_acl_alloc(4, GFP_KERNEL); | ||
99 | if (!acl2) | ||
100 | return -ENOMEM; | ||
101 | /* Insert entries in canonical order: other orders seem | ||
102 | to confuse Solaris VxFS. */ | ||
103 | acl2->a_entries[0] = acl->a_entries[0]; /* ACL_USER_OBJ */ | ||
104 | acl2->a_entries[1] = acl->a_entries[1]; /* ACL_GROUP_OBJ */ | ||
105 | acl2->a_entries[2] = acl->a_entries[1]; /* ACL_MASK */ | ||
106 | acl2->a_entries[2].e_tag = ACL_MASK; | ||
107 | acl2->a_entries[3] = acl->a_entries[2]; /* ACL_OTHER */ | ||
108 | nfsacl_desc.acl = acl2; | ||
109 | } | ||
112 | err = xdr_encode_array2(buf, base + 4, &nfsacl_desc.desc); | 110 | err = xdr_encode_array2(buf, base + 4, &nfsacl_desc.desc); |
111 | if (acl2) | ||
112 | posix_acl_release(acl2); | ||
113 | if (!err) | 113 | if (!err) |
114 | err = 8 + nfsacl_desc.desc.elem_size * | 114 | err = 8 + nfsacl_desc.desc.elem_size * |
115 | nfsacl_desc.desc.array_len; | 115 | nfsacl_desc.desc.array_len; |