4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
22 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
26 #include <sys/systm.h>
27 #include <sys/sunddi.h>
28 #include <sys/ctype.h>
33 #include <libnvpair.h>
36 /* XXX includes zfs_context.h, so why bother with the above? */
37 #include <sys/dsl_deleg.h>
39 #include "zfs_deleg.h"
40 #include "zfs_namecheck.h"
45 * Keep this table in sorted order
47 * This table is used for displaying all permissions for
51 zfs_deleg_perm_tab_t zfs_deleg_perm_tab
[] = {
52 {ZFS_DELEG_PERM_ALLOW
, ZFS_DELEG_NOTE_ALLOW
},
53 {ZFS_DELEG_PERM_CLONE
, ZFS_DELEG_NOTE_CLONE
},
54 {ZFS_DELEG_PERM_CREATE
, ZFS_DELEG_NOTE_CREATE
},
55 {ZFS_DELEG_PERM_DESTROY
, ZFS_DELEG_NOTE_DESTROY
},
56 {ZFS_DELEG_PERM_MOUNT
, ZFS_DELEG_NOTE_MOUNT
},
57 {ZFS_DELEG_PERM_PROMOTE
, ZFS_DELEG_NOTE_PROMOTE
},
58 {ZFS_DELEG_PERM_RECEIVE
, ZFS_DELEG_NOTE_RECEIVE
},
59 {ZFS_DELEG_PERM_RENAME
, ZFS_DELEG_NOTE_RENAME
},
60 {ZFS_DELEG_PERM_ROLLBACK
, ZFS_DELEG_NOTE_ROLLBACK
},
61 {ZFS_DELEG_PERM_SNAPSHOT
, ZFS_DELEG_NOTE_SNAPSHOT
},
62 {ZFS_DELEG_PERM_SHARE
, ZFS_DELEG_NOTE_SHARE
},
63 {ZFS_DELEG_PERM_SEND
, ZFS_DELEG_NOTE_NONE
},
64 {ZFS_DELEG_PERM_USERPROP
, ZFS_DELEG_NOTE_USERPROP
},
65 {ZFS_DELEG_PERM_USERQUOTA
, ZFS_DELEG_NOTE_USERQUOTA
},
66 {ZFS_DELEG_PERM_GROUPQUOTA
, ZFS_DELEG_NOTE_GROUPQUOTA
},
67 {ZFS_DELEG_PERM_USERUSED
, ZFS_DELEG_NOTE_USERUSED
},
68 {ZFS_DELEG_PERM_GROUPUSED
, ZFS_DELEG_NOTE_GROUPUSED
},
69 {ZFS_DELEG_PERM_HOLD
, ZFS_DELEG_NOTE_HOLD
},
70 {ZFS_DELEG_PERM_RELEASE
, ZFS_DELEG_NOTE_RELEASE
},
71 {ZFS_DELEG_PERM_DIFF
, ZFS_DELEG_NOTE_DIFF
},
72 {NULL
, ZFS_DELEG_NOTE_NONE
}
76 zfs_valid_permission_name(const char *perm
)
78 if (zfs_deleg_canonicalize_perm(perm
))
81 return (permset_namecheck(perm
, NULL
, NULL
));
85 zfs_deleg_canonicalize_perm(const char *perm
)
90 for (i
= 0; zfs_deleg_perm_tab
[i
].z_perm
!= NULL
; i
++) {
91 if (strcmp(perm
, zfs_deleg_perm_tab
[i
].z_perm
) == 0)
95 prop
= zfs_name_to_prop(perm
);
96 if (prop
!= ZPROP_INVAL
&& zfs_prop_delegatable(prop
))
97 return (zfs_prop_to_name(prop
));
103 zfs_validate_who(char *who
)
107 if (who
[2] != ZFS_DELEG_FIELD_SEP_CHR
)
112 case ZFS_DELEG_GROUP
:
113 case ZFS_DELEG_USER_SETS
:
114 case ZFS_DELEG_GROUP_SETS
:
115 if (who
[1] != ZFS_DELEG_LOCAL
&& who
[1] != ZFS_DELEG_DESCENDENT
)
117 for (p
= &who
[3]; *p
; p
++)
122 case ZFS_DELEG_NAMED_SET
:
123 case ZFS_DELEG_NAMED_SET_SETS
:
124 if (who
[1] != ZFS_DELEG_NA
)
126 return (permset_namecheck(&who
[3], NULL
, NULL
));
128 case ZFS_DELEG_CREATE
:
129 case ZFS_DELEG_CREATE_SETS
:
130 if (who
[1] != ZFS_DELEG_NA
)
136 case ZFS_DELEG_EVERYONE
:
137 case ZFS_DELEG_EVERYONE_SETS
:
138 if (who
[1] != ZFS_DELEG_LOCAL
&& who
[1] != ZFS_DELEG_DESCENDENT
)
152 zfs_deleg_verify_nvlist(nvlist_t
*nvp
)
154 nvpair_t
*who
, *perm_name
;
161 who
= nvlist_next_nvpair(nvp
, NULL
);
166 if (zfs_validate_who(nvpair_name(who
)))
169 error
= nvlist_lookup_nvlist(nvp
, nvpair_name(who
), &perms
);
171 if (error
&& error
!= ENOENT
)
176 perm_name
= nvlist_next_nvpair(perms
, NULL
);
177 if (perm_name
== NULL
) {
181 error
= zfs_valid_permission_name(
182 nvpair_name(perm_name
));
185 } while ((perm_name
= nvlist_next_nvpair(perms
, perm_name
)));
186 } while ((who
= nvlist_next_nvpair(nvp
, who
)));
191 * Construct the base attribute name. The base attribute names
192 * are the "key" to locate the jump objects which contain the actual
193 * permissions. The base attribute names are encoded based on
194 * type of entry and whether it is a local or descendent permission.
197 * attr - attribute name return string, attribute is assumed to be
198 * ZFS_MAX_DELEG_NAME long.
199 * type - type of entry to construct
200 * inheritchr - inheritance type (local,descendent, or NA for create and
201 * permission set definitions
202 * data - is either a permission set name or a 64 bit uid/gid.
205 zfs_deleg_whokey(char *attr
, zfs_deleg_who_type_t type
,
206 char inheritchr
, void *data
)
208 int len
= ZFS_MAX_DELEG_NAME
;
213 case ZFS_DELEG_GROUP
:
214 case ZFS_DELEG_USER_SETS
:
215 case ZFS_DELEG_GROUP_SETS
:
216 (void) snprintf(attr
, len
, "%c%c%c%lld", type
, inheritchr
,
217 ZFS_DELEG_FIELD_SEP_CHR
, (longlong_t
)*id
);
219 case ZFS_DELEG_NAMED_SET_SETS
:
220 case ZFS_DELEG_NAMED_SET
:
221 (void) snprintf(attr
, len
, "%c-%c%s", type
,
222 ZFS_DELEG_FIELD_SEP_CHR
, (char *)data
);
224 case ZFS_DELEG_CREATE
:
225 case ZFS_DELEG_CREATE_SETS
:
226 (void) snprintf(attr
, len
, "%c-%c", type
,
227 ZFS_DELEG_FIELD_SEP_CHR
);
229 case ZFS_DELEG_EVERYONE
:
230 case ZFS_DELEG_EVERYONE_SETS
:
231 (void) snprintf(attr
, len
, "%c%c%c", type
, inheritchr
,
232 ZFS_DELEG_FIELD_SEP_CHR
);
235 ASSERT(!"bad zfs_deleg_who_type_t");