diff options
-rw-r--r-- | src/identity/Makefile.am | 4 | ||||
-rw-r--r-- | src/identity/plugin_gnsrecord_identity.c | 182 |
2 files changed, 184 insertions, 2 deletions
diff --git a/src/identity/Makefile.am b/src/identity/Makefile.am index f793c2fc8..0a0f08fc3 100644 --- a/src/identity/Makefile.am +++ b/src/identity/Makefile.am | |||
@@ -41,8 +41,8 @@ libexec_PROGRAMS = \ | |||
41 | 41 | ||
42 | if HAVE_REST | 42 | if HAVE_REST |
43 | plugin_LTLIBRARIES = \ | 43 | plugin_LTLIBRARIES = \ |
44 | libgnunet_plugin_rest_identity.la | 44 | libgnunet_plugin_rest_identity.la \ |
45 | # libgnunet_plugin_gnsrecord_identity.la | 45 | libgnunet_plugin_gnsrecord_identity.la |
46 | endif | 46 | endif |
47 | 47 | ||
48 | 48 | ||
diff --git a/src/identity/plugin_gnsrecord_identity.c b/src/identity/plugin_gnsrecord_identity.c new file mode 100644 index 000000000..693167713 --- /dev/null +++ b/src/identity/plugin_gnsrecord_identity.c | |||
@@ -0,0 +1,182 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet | ||
3 | Copyright (C) 2013, 2014 Christian Grothoff (and other contributing authors) | ||
4 | |||
5 | GNUnet is free software; you can redistribute it and/or modify | ||
6 | it under the terms of the GNU General Public License as published | ||
7 | by the Free Software Foundation; either version 3, or (at your | ||
8 | option) any later version. | ||
9 | |||
10 | GNUnet is distributed in the hope that it will be useful, but | ||
11 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU General Public License | ||
16 | along with GNUnet; see the file COPYING. If not, write to the | ||
17 | Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | ||
18 | Boston, MA 02110-1301, USA. | ||
19 | */ | ||
20 | |||
21 | /** | ||
22 | * @file gnsrecord/plugin_gnsrecord_identity.c | ||
23 | * @brief gnsrecord plugin to provide the API for identity records | ||
24 | * @author Christian Grothoff | ||
25 | */ | ||
26 | #include "platform.h" | ||
27 | #include "gnunet_util_lib.h" | ||
28 | #include "gnunet_gnsrecord_lib.h" | ||
29 | #include "gnunet_gnsrecord_plugin.h" | ||
30 | |||
31 | |||
32 | /** | ||
33 | * Convert the 'value' of a record to a string. | ||
34 | * | ||
35 | * @param cls closure, unused | ||
36 | * @param type type of the record | ||
37 | * @param data value in binary encoding | ||
38 | * @param data_size number of bytes in @a data | ||
39 | * @return NULL on error, otherwise human-readable representation of the value | ||
40 | */ | ||
41 | static char * | ||
42 | value_to_string (void *cls, | ||
43 | uint32_t type, | ||
44 | const void *data, | ||
45 | size_t data_size) | ||
46 | { | ||
47 | switch (type) | ||
48 | { | ||
49 | case GNUNET_GNSRECORD_TYPE_ID_ATTR: | ||
50 | case GNUNET_GNSRECORD_TYPE_ID_TOKEN: | ||
51 | return GNUNET_strndup (data, data_size); | ||
52 | default: | ||
53 | return NULL; | ||
54 | } | ||
55 | } | ||
56 | |||
57 | |||
58 | /** | ||
59 | * Convert human-readable version of a 'value' of a record to the binary | ||
60 | * representation. | ||
61 | * | ||
62 | * @param cls closure, unused | ||
63 | * @param type type of the record | ||
64 | * @param s human-readable string | ||
65 | * @param data set to value in binary encoding (will be allocated) | ||
66 | * @param data_size set to number of bytes in @a data | ||
67 | * @return #GNUNET_OK on success | ||
68 | */ | ||
69 | static int | ||
70 | string_to_value (void *cls, | ||
71 | uint32_t type, | ||
72 | const char *s, | ||
73 | void **data, | ||
74 | size_t *data_size) | ||
75 | { | ||
76 | if (NULL == s) | ||
77 | return GNUNET_SYSERR; | ||
78 | switch (type) | ||
79 | { | ||
80 | case GNUNET_GNSRECORD_TYPE_ID_ATTR: | ||
81 | case GNUNET_GNSRECORD_TYPE_ID_TOKEN: | ||
82 | *data = GNUNET_strdup (s); | ||
83 | *data_size = strlen (s); | ||
84 | return GNUNET_OK; | ||
85 | default: | ||
86 | return GNUNET_SYSERR; | ||
87 | } | ||
88 | } | ||
89 | |||
90 | |||
91 | /** | ||
92 | * Mapping of record type numbers to human-readable | ||
93 | * record type names. | ||
94 | */ | ||
95 | static struct { | ||
96 | const char *name; | ||
97 | uint32_t number; | ||
98 | } name_map[] = { | ||
99 | { "ID_ATTR", GNUNET_GNSRECORD_TYPE_ID_ATTR }, | ||
100 | { "ID_TOKEN", GNUNET_GNSRECORD_TYPE_ID_TOKEN }, | ||
101 | { NULL, UINT32_MAX } | ||
102 | }; | ||
103 | |||
104 | |||
105 | /** | ||
106 | * Convert a type name (i.e. "AAAA") to the corresponding number. | ||
107 | * | ||
108 | * @param cls closure, unused | ||
109 | * @param dns_typename name to convert | ||
110 | * @return corresponding number, UINT32_MAX on error | ||
111 | */ | ||
112 | static uint32_t | ||
113 | typename_to_number (void *cls, | ||
114 | const char *dns_typename) | ||
115 | { | ||
116 | unsigned int i; | ||
117 | |||
118 | i=0; | ||
119 | while ( (NULL != name_map[i].name) && | ||
120 | (0 != strcasecmp (dns_typename, name_map[i].name)) ) | ||
121 | i++; | ||
122 | return name_map[i].number; | ||
123 | } | ||
124 | |||
125 | |||
126 | /** | ||
127 | * Convert a type number (i.e. 1) to the corresponding type string (i.e. "A") | ||
128 | * | ||
129 | * @param cls closure, unused | ||
130 | * @param type number of a type to convert | ||
131 | * @return corresponding typestring, NULL on error | ||
132 | */ | ||
133 | static const char * | ||
134 | number_to_typename (void *cls, | ||
135 | uint32_t type) | ||
136 | { | ||
137 | unsigned int i; | ||
138 | |||
139 | i=0; | ||
140 | while ( (NULL != name_map[i].name) && | ||
141 | (type != name_map[i].number) ) | ||
142 | i++; | ||
143 | return name_map[i].name; | ||
144 | } | ||
145 | |||
146 | |||
147 | /** | ||
148 | * Entry point for the plugin. | ||
149 | * | ||
150 | * @param cls NULL | ||
151 | * @return the exported block API | ||
152 | */ | ||
153 | void * | ||
154 | libgnunet_plugin_gnsrecord_identity_init (void *cls) | ||
155 | { | ||
156 | struct GNUNET_GNSRECORD_PluginFunctions *api; | ||
157 | |||
158 | api = GNUNET_new (struct GNUNET_GNSRECORD_PluginFunctions); | ||
159 | api->value_to_string = &value_to_string; | ||
160 | api->string_to_value = &string_to_value; | ||
161 | api->typename_to_number = &typename_to_number; | ||
162 | api->number_to_typename = &number_to_typename; | ||
163 | return api; | ||
164 | } | ||
165 | |||
166 | |||
167 | /** | ||
168 | * Exit point from the plugin. | ||
169 | * | ||
170 | * @param cls the return value from #libgnunet_plugin_block_test_init | ||
171 | * @return NULL | ||
172 | */ | ||
173 | void * | ||
174 | libgnunet_plugin_gnsrecord_identity_done (void *cls) | ||
175 | { | ||
176 | struct GNUNET_GNSRECORD_PluginFunctions *api = cls; | ||
177 | |||
178 | GNUNET_free (api); | ||
179 | return NULL; | ||
180 | } | ||
181 | |||
182 | /* end of plugin_gnsrecord_dns.c */ | ||