1 // SPDX-License-Identifier: CDDL-1.0
2 /*
3 * CDDL HEADER START
4 *
5 * This file and its contents are supplied under the terms of the
6 * Common Development and Distribution License ("CDDL"), version 1.0.
7 * You may only use this file in accordance with the terms of version
8 * 1.0 of the CDDL.
9 *
10 * A full copy of the text of the CDDL should have accompanied this
11 * source. A copy of the CDDL is also available via the Internet at
12 * http://www.illumos.org/license/CDDL.
13 *
14 * CDDL HEADER END
15 */
16
17 /*
18 * Copyright (c) 2016 by Delphix. All rights reserved.
19 * Copyrigh 2020 Joyent, Inc.
20 */
21
22 #include <sys/lua/lua.h>
23 #include <sys/lua/lualib.h>
24 #include <sys/lua/lauxlib.h>
25
26 #include <sys/dsl_prop.h>
27 #include <sys/dsl_dir.h>
28 #include <sys/dsl_synctask.h>
29 #include <sys/dsl_dataset.h>
30 #include <sys/zcp.h>
31 #include <sys/zcp_set.h>
32 #include <sys/zcp_iter.h>
33 #include <sys/zcp_global.h>
34 #include <sys/zvol.h>
35
36 #include <zfs_prop.h>
37
38 static void
zcp_set_user_prop(lua_State * state,dsl_pool_t * dp,const char * dsname,const char * prop_name,const char * prop_val,dmu_tx_t * tx)39 zcp_set_user_prop(lua_State *state, dsl_pool_t *dp, const char *dsname,
40 const char *prop_name, const char *prop_val, dmu_tx_t *tx)
41 {
42 dsl_dataset_t *ds = zcp_dataset_hold(state, dp, dsname, FTAG);
43 if (ds == NULL)
44 return; /* not reached; zcp_dataset_hold() longjmp'd */
45
46 nvlist_t *nvl = fnvlist_alloc();
47 fnvlist_add_string(nvl, prop_name, prop_val);
48
49 dsl_props_set_sync_impl(ds, ZPROP_SRC_LOCAL, nvl, tx);
50
51 fnvlist_free(nvl);
52 dsl_dataset_rele(ds, FTAG);
53 }
54
55 int
zcp_set_prop_check(void * arg,dmu_tx_t * tx)56 zcp_set_prop_check(void *arg, dmu_tx_t *tx)
57 {
58 zcp_set_prop_arg_t *args = arg;
59 const char *prop_name = args->prop;
60 dsl_props_set_arg_t dpsa = {
61 .dpsa_dsname = args->dsname,
62 .dpsa_source = ZPROP_SRC_LOCAL,
63 };
64 nvlist_t *nvl = NULL;
65 int ret = 0;
66
67 /*
68 * Only user properties are currently supported. When non-user
69 * properties are supported, we will want to use
70 * zfs_valid_proplist() to verify the properties.
71 */
72 if (!zfs_prop_user(prop_name)) {
73 return (EINVAL);
74 }
75
76 nvl = fnvlist_alloc();
77 fnvlist_add_string(nvl, args->prop, args->val);
78 dpsa.dpsa_props = nvl;
79
80 ret = dsl_props_set_check(&dpsa, tx);
81 nvlist_free(nvl);
82
83 return (ret);
84 }
85
86 void
zcp_set_prop_sync(void * arg,dmu_tx_t * tx)87 zcp_set_prop_sync(void *arg, dmu_tx_t *tx)
88 {
89 zcp_set_prop_arg_t *args = arg;
90 zcp_run_info_t *ri = zcp_run_info(args->state);
91 dsl_pool_t *dp = ri->zri_pool;
92
93 const char *dsname = args->dsname;
94 const char *prop_name = args->prop;
95 const char *prop_val = args->val;
96
97 if (zfs_prop_user(prop_name)) {
98 zcp_set_user_prop(args->state, dp, dsname, prop_name,
99 prop_val, tx);
100 }
101 }
102