1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
/*
Authors:
Pavel Březina <pbrezina@redhat.com>
Copyright (C) 2017 Red Hat
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#include <talloc.h>
#include "sbus/sbus_private.h"
#include "sbus/interface/sbus_iterator_readers.h"
#include "sbus/interface/sbus_iterator_writers.h"
static errno_t
sbus_parse_get_value(TALLOC_CTX *mem_ctx,
sbus_value_reader_fn reader,
sbus_value_reader_talloc_fn reader_talloc,
DBusMessageIter *iter,
void *_value_ptr)
{
DBusMessageIter variant;
if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_VARIANT) {
return ERR_SBUS_INVALID_TYPE;
}
dbus_message_iter_recurse(iter, &variant);
if (reader != NULL) {
return reader(&variant, _value_ptr);
}
return reader_talloc(mem_ctx, &variant, _value_ptr);
}
errno_t
sbus_parse_get_message(TALLOC_CTX *mem_ctx,
sbus_value_reader_fn reader,
sbus_value_reader_talloc_fn reader_talloc,
DBusMessage *msg,
void *_value_ptr)
{
DBusMessageIter iterator;
dbus_message_iter_init(msg, &iterator);
return sbus_parse_get_value(mem_ctx, reader, reader_talloc,
&iterator, _value_ptr);
}
static errno_t
sbus_parse_getall_name(struct sbus_parse_getall_table *table,
DBusMessageIter *dict_iter,
struct sbus_parse_getall_table **_property)
{
const char *name;
int type;
int i;
type = dbus_message_iter_get_arg_type(dict_iter);
if (type != DBUS_TYPE_STRING) {
DEBUG(SSSDBG_CRIT_FAILURE, "Unexpected type [%d]\n", type);
return ERR_SBUS_INVALID_TYPE;
}
dbus_message_iter_get_basic(dict_iter, &name);
for (i = 0; table[i].name != NULL; i++) {
if (strcmp(table[i].name, name) == 0) {
*_property = &table[i];
return EOK;
}
}
DEBUG(SSSDBG_MINOR_FAILURE, "Unknown property [%s], skipping...\n", name);
*_property = NULL;
return EOK;
}
static errno_t
sbus_parse_getall_dict_entry(TALLOC_CTX *mem_ctx,
struct sbus_parse_getall_table *table,
DBusMessageIter *dict_iter)
{
struct sbus_parse_getall_table *property;
dbus_bool_t dbret;
errno_t ret;
ret = sbus_parse_getall_name(table, dict_iter, &property);
if (ret != EOK) {
return ret;
}
dbret = dbus_message_iter_next(dict_iter);
if (!dbret) {
return ERR_SBUS_INVALID_TYPE;
}
if (property == NULL) {
return EOK;
}
ret = sbus_parse_get_value(mem_ctx, property->reader,
property->reader_talloc, dict_iter,
property->destination);
if (ret != EOK) {
return ret;
}
*(property->is_set) = true;
return EOK;
}
static errno_t
sbus_parse_getall_array(TALLOC_CTX *mem_ctx,
struct sbus_parse_getall_table *table,
DBusMessageIter *array_iter)
{
DBusMessageIter dict_iter;
errno_t ret;
int type;
do {
type = dbus_message_iter_get_arg_type(array_iter);
switch (type) {
case DBUS_TYPE_INVALID:
/* We have reached the end of the array. */
return EOK;
case DBUS_TYPE_DICT_ENTRY:
dbus_message_iter_recurse(array_iter, &dict_iter);
ret = sbus_parse_getall_dict_entry(mem_ctx, table, &dict_iter);
if (ret != EOK) {
return ret;
}
break;
default:
DEBUG(SSSDBG_CRIT_FAILURE, "Unexpected type [%d]\n", type);
return ERR_SBUS_INVALID_TYPE;
}
} while (dbus_message_iter_next(array_iter));
return EOK;
}
errno_t
sbus_parse_getall_message(TALLOC_CTX *mem_ctx,
struct sbus_parse_getall_table *table,
DBusMessage *msg)
{
DBusMessageIter array_iter;
DBusMessageIter iter;
errno_t ret;
int type;
dbus_message_iter_init(msg, &iter);
type = dbus_message_iter_get_arg_type(&iter);
switch (type) {
case DBUS_TYPE_INVALID:
/* Empty message. */
return EOK;
case DBUS_TYPE_ARRAY:
dbus_message_iter_recurse(&iter, &array_iter);
ret = sbus_parse_getall_array(mem_ctx, table, &array_iter);
if (ret != EOK) {
return ret;
}
break;
default:
DEBUG(SSSDBG_CRIT_FAILURE, "Unexpected type [%d]\n", type);
return ERR_SBUS_INVALID_TYPE;
}
if (dbus_message_iter_has_next(&iter)) {
DEBUG(SSSDBG_CRIT_FAILURE, "Invalid GetAll reply\n");
return ERR_SBUS_INVALID_TYPE;
}
return EOK;
}
|
