xref: /freebsd/contrib/wpa/wpa_supplicant/dbus/dbus_dict_helpers.h (revision 3a56015a2f5d630910177fa79a522bb95511ccf7)
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_bool(DBusMessageIter *iter_dict,
30 				      const char *key,
31 				      const dbus_bool_t value);
32 
33 dbus_bool_t wpa_dbus_dict_append_int16(DBusMessageIter *iter_dict,
34 				       const char *key,
35 				       const dbus_int16_t value);
36 
37 dbus_bool_t wpa_dbus_dict_append_uint16(DBusMessageIter *iter_dict,
38 					const char *key,
39 					const dbus_uint16_t value);
40 
41 dbus_bool_t wpa_dbus_dict_append_int32(DBusMessageIter *iter_dict,
42 				       const char *key,
43 				       const dbus_int32_t value);
44 
45 dbus_bool_t wpa_dbus_dict_append_uint32(DBusMessageIter *iter_dict,
46 					const char *key,
47 					const dbus_uint32_t value);
48 
49 dbus_bool_t wpa_dbus_dict_append_uint64(DBusMessageIter *iter_dict,
50 					const char *key,
51 					const dbus_uint64_t value);
52 
53 dbus_bool_t wpa_dbus_dict_append_object_path(DBusMessageIter *iter_dict,
54 					     const char *key,
55 					     const char *value);
56 
57 dbus_bool_t wpa_dbus_dict_append_byte_array(DBusMessageIter *iter_dict,
58 					    const char *key,
59 					    const char *value,
60 					    const dbus_uint32_t value_len);
61 
62 dbus_bool_t wpa_dbus_dict_append_double(DBusMessageIter *iter_dict,
63 					const char *key,
64 					const double value);
65 
66 /* Manual construction and addition of array elements */
67 dbus_bool_t wpa_dbus_dict_begin_array(DBusMessageIter *iter_dict,
68 				      const char *key, const char *type,
69 				      DBusMessageIter *iter_dict_entry,
70 				      DBusMessageIter *iter_dict_val,
71 				      DBusMessageIter *iter_array);
72 
73 dbus_bool_t wpa_dbus_dict_begin_string_array(DBusMessageIter *iter_dict,
74 					     const char *key,
75 					     DBusMessageIter *iter_dict_entry,
76 					     DBusMessageIter *iter_dict_val,
77 					     DBusMessageIter *iter_array);
78 
79 dbus_bool_t wpa_dbus_dict_string_array_add_element(DBusMessageIter *iter_array,
80 						   const char *elem);
81 
82 dbus_bool_t wpa_dbus_dict_bin_array_add_element(DBusMessageIter *iter_array,
83 						const u8 *value,
84 						size_t value_len);
85 
86 dbus_bool_t wpa_dbus_dict_end_array(DBusMessageIter *iter_dict,
87 				    DBusMessageIter *iter_dict_entry,
88 				    DBusMessageIter *iter_dict_val,
89 				    DBusMessageIter *iter_array);
90 
91 static inline dbus_bool_t
92 wpa_dbus_dict_end_string_array(DBusMessageIter *iter_dict,
93 			       DBusMessageIter *iter_dict_entry,
94 			       DBusMessageIter *iter_dict_val,
95 			       DBusMessageIter *iter_array)
96 {
97 	return wpa_dbus_dict_end_array(iter_dict, iter_dict_entry,
98 				       iter_dict_val, iter_array);
99 }
100 
101 /* Convenience function to add a whole string list */
102 dbus_bool_t wpa_dbus_dict_append_string_array(DBusMessageIter *iter_dict,
103 					      const char *key,
104 					      const char **items,
105 					      const dbus_uint32_t num_items);
106 
107 dbus_bool_t wpa_dbus_dict_append_wpabuf_array(DBusMessageIter *iter_dict,
108 					      const char *key,
109 					      const struct wpabuf **items,
110 					      const dbus_uint32_t num_items);
111 
112 /*
113  * Reading a dict from a DBusMessage
114  */
115 
116 /*
117  * Used only in struct wpa_dbus_dict_entry::array_type internally to identify
118  * special binary array case.
119  */
120 #define WPAS_DBUS_TYPE_BINARRAY ((int) '@')
121 
122 struct wpa_dbus_dict_entry {
123 	int type;         /** the dbus type of the dict entry's value */
124 	int array_type;   /** the dbus type of the array elements if the dict
125 			      entry value contains an array, or the special
126 			      WPAS_DBUS_TYPE_BINARRAY */
127 	const char *key;  /** key of the dict entry */
128 
129 	/** Possible values of the property */
130 	union {
131 		char *str_value;
132 		char byte_value;
133 		dbus_bool_t bool_value;
134 		dbus_int16_t int16_value;
135 		dbus_uint16_t uint16_value;
136 		dbus_int32_t int32_value;
137 		dbus_uint32_t uint32_value;
138 		dbus_int64_t int64_value;
139 		dbus_uint64_t uint64_value;
140 		double double_value;
141 		char *bytearray_value;
142 		dbus_uint16_t *uint16array_value;
143 		char **strarray_value;
144 		struct wpabuf **binarray_value;
145 	};
146 	dbus_uint32_t array_len; /** length of the array if the dict entry's
147 				     value contains an array */
148 };
149 
150 dbus_bool_t wpa_dbus_dict_open_read(DBusMessageIter *iter,
151 				    DBusMessageIter *iter_dict,
152 				    DBusError *error);
153 
154 dbus_bool_t wpa_dbus_dict_get_entry(DBusMessageIter *iter_dict,
155 				    struct wpa_dbus_dict_entry *entry);
156 
157 dbus_bool_t wpa_dbus_dict_has_dict_entry(DBusMessageIter *iter_dict);
158 
159 void wpa_dbus_dict_entry_clear(struct wpa_dbus_dict_entry *entry);
160 
161 #endif  /* DBUS_DICT_HELPERS_H */
162