xref: /freebsd/contrib/wpa/wpa_supplicant/dbus/dbus_dict_helpers.h (revision 39ee7a7a6bdd1557b1c3532abf60d139798ac88b)
1 /*
2  * WPA Supplicant / dbus-based control interface
3  * Copyright (c) 2006, Dan Williams <dcbw@redhat.com> and Red Hat, Inc.
4  *
5  * This software may be distributed under the terms of the BSD license.
6  * See README for more details.
7  */
8 
9 #ifndef DBUS_DICT_HELPERS_H
10 #define DBUS_DICT_HELPERS_H
11 
12 #include "wpabuf.h"
13 
14 /*
15  * Adding a dict to a DBusMessage
16  */
17 
18 dbus_bool_t wpa_dbus_dict_open_write(DBusMessageIter *iter,
19 				     DBusMessageIter *iter_dict);
20 
21 dbus_bool_t wpa_dbus_dict_close_write(DBusMessageIter *iter,
22 				      DBusMessageIter *iter_dict);
23 
24 const char * wpa_dbus_type_as_string(const int type);
25 
26 dbus_bool_t wpa_dbus_dict_append_string(DBusMessageIter *iter_dict,
27 					const char *key, const char *value);
28 
29 dbus_bool_t wpa_dbus_dict_append_byte(DBusMessageIter *iter_dict,
30 				      const char *key, const char value);
31 
32 dbus_bool_t wpa_dbus_dict_append_bool(DBusMessageIter *iter_dict,
33 				      const char *key,
34 				      const dbus_bool_t value);
35 
36 dbus_bool_t wpa_dbus_dict_append_int16(DBusMessageIter *iter_dict,
37 				       const char *key,
38 				       const dbus_int16_t value);
39 
40 dbus_bool_t wpa_dbus_dict_append_uint16(DBusMessageIter *iter_dict,
41 					const char *key,
42 					const dbus_uint16_t value);
43 
44 dbus_bool_t wpa_dbus_dict_append_int32(DBusMessageIter *iter_dict,
45 				       const char *key,
46 				       const dbus_int32_t value);
47 
48 dbus_bool_t wpa_dbus_dict_append_uint32(DBusMessageIter *iter_dict,
49 					const char *key,
50 					const dbus_uint32_t value);
51 
52 dbus_bool_t wpa_dbus_dict_append_int64(DBusMessageIter *iter_dict,
53 				       const char *key,
54 				       const dbus_int64_t value);
55 
56 dbus_bool_t wpa_dbus_dict_append_uint64(DBusMessageIter *iter_dict,
57 					const char *key,
58 					const dbus_uint64_t value);
59 
60 dbus_bool_t wpa_dbus_dict_append_double(DBusMessageIter *iter_dict,
61 					const char *key,
62 					const double value);
63 
64 dbus_bool_t wpa_dbus_dict_append_object_path(DBusMessageIter *iter_dict,
65 					     const char *key,
66 					     const char *value);
67 
68 dbus_bool_t wpa_dbus_dict_append_byte_array(DBusMessageIter *iter_dict,
69 					    const char *key,
70 					    const char *value,
71 					    const dbus_uint32_t value_len);
72 
73 /* Manual construction and addition of array elements */
74 dbus_bool_t wpa_dbus_dict_begin_array(DBusMessageIter *iter_dict,
75 				      const char *key, const char *type,
76 				      DBusMessageIter *iter_dict_entry,
77 				      DBusMessageIter *iter_dict_val,
78 				      DBusMessageIter *iter_array);
79 
80 dbus_bool_t wpa_dbus_dict_begin_string_array(DBusMessageIter *iter_dict,
81 					     const char *key,
82 					     DBusMessageIter *iter_dict_entry,
83 					     DBusMessageIter *iter_dict_val,
84 					     DBusMessageIter *iter_array);
85 
86 dbus_bool_t wpa_dbus_dict_string_array_add_element(DBusMessageIter *iter_array,
87 						   const char *elem);
88 
89 dbus_bool_t wpa_dbus_dict_bin_array_add_element(DBusMessageIter *iter_array,
90 						const u8 *value,
91 						size_t value_len);
92 
93 dbus_bool_t wpa_dbus_dict_end_array(DBusMessageIter *iter_dict,
94 				    DBusMessageIter *iter_dict_entry,
95 				    DBusMessageIter *iter_dict_val,
96 				    DBusMessageIter *iter_array);
97 
98 static inline dbus_bool_t
99 wpa_dbus_dict_end_string_array(DBusMessageIter *iter_dict,
100 			       DBusMessageIter *iter_dict_entry,
101 			       DBusMessageIter *iter_dict_val,
102 			       DBusMessageIter *iter_array)
103 {
104 	return wpa_dbus_dict_end_array(iter_dict, iter_dict_entry,
105 				       iter_dict_val, iter_array);
106 }
107 
108 /* Convenience function to add a whole string list */
109 dbus_bool_t wpa_dbus_dict_append_string_array(DBusMessageIter *iter_dict,
110 					      const char *key,
111 					      const char **items,
112 					      const dbus_uint32_t num_items);
113 
114 dbus_bool_t wpa_dbus_dict_append_wpabuf_array(DBusMessageIter *iter_dict,
115 					      const char *key,
116 					      const struct wpabuf **items,
117 					      const dbus_uint32_t num_items);
118 
119 /*
120  * Reading a dict from a DBusMessage
121  */
122 
123 /*
124  * Used only in struct wpa_dbus_dict_entry::array_type internally to identify
125  * special binary array case.
126  */
127 #define WPAS_DBUS_TYPE_BINARRAY ((int) '@')
128 
129 struct wpa_dbus_dict_entry {
130 	int type;         /** the dbus type of the dict entry's value */
131 	int array_type;   /** the dbus type of the array elements if the dict
132 			      entry value contains an array, or the special
133 			      WPAS_DBUS_TYPE_BINARRAY */
134 	const char *key;  /** key of the dict entry */
135 
136 	/** Possible values of the property */
137 	union {
138 		char *str_value;
139 		char byte_value;
140 		dbus_bool_t bool_value;
141 		dbus_int16_t int16_value;
142 		dbus_uint16_t uint16_value;
143 		dbus_int32_t int32_value;
144 		dbus_uint32_t uint32_value;
145 		dbus_int64_t int64_value;
146 		dbus_uint64_t uint64_value;
147 		double double_value;
148 		char *bytearray_value;
149 		char **strarray_value;
150 		struct wpabuf **binarray_value;
151 	};
152 	dbus_uint32_t array_len; /** length of the array if the dict entry's
153 				     value contains an array */
154 };
155 
156 dbus_bool_t wpa_dbus_dict_open_read(DBusMessageIter *iter,
157 				    DBusMessageIter *iter_dict,
158 				    DBusError *error);
159 
160 dbus_bool_t wpa_dbus_dict_get_entry(DBusMessageIter *iter_dict,
161 				    struct wpa_dbus_dict_entry *entry);
162 
163 dbus_bool_t wpa_dbus_dict_has_dict_entry(DBusMessageIter *iter_dict);
164 
165 void wpa_dbus_dict_entry_clear(struct wpa_dbus_dict_entry *entry);
166 
167 #endif  /* DBUS_DICT_HELPERS_H */
168