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author | Christian Grothoff <christian@grothoff.org> | 2010-04-21 09:50:30 +0000 |
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committer | Christian Grothoff <christian@grothoff.org> | 2010-04-21 09:50:30 +0000 |
commit | 13a039f5b434a45bf7a3641d0180aec2a06ab188 (patch) | |
tree | ec911644c1fde77596a2b29db760cf4fee9a4ff8 /src/transport/gnunet-service-transport_blacklist.c | |
parent | a476f6ebdf69cd7b365ad7f079dcf0b8361a55cc (diff) | |
download | gnunet-13a039f5b434a45bf7a3641d0180aec2a06ab188.tar.gz gnunet-13a039f5b434a45bf7a3641d0180aec2a06ab188.zip |
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Diffstat (limited to 'src/transport/gnunet-service-transport_blacklist.c')
-rw-r--r-- | src/transport/gnunet-service-transport_blacklist.c | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/src/transport/gnunet-service-transport_blacklist.c b/src/transport/gnunet-service-transport_blacklist.c deleted file mode 100644 index 10eda72b0..000000000 --- a/src/transport/gnunet-service-transport_blacklist.c +++ /dev/null | |||
@@ -1,176 +0,0 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | (C) 2010 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 2, 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., 59 Temple Place - Suite 330, | ||
18 | Boston, MA 02111-1307, USA. | ||
19 | */ | ||
20 | |||
21 | /** | ||
22 | * @file transport/gnunet-service-transport_blacklist.c | ||
23 | * @brief low-level P2P messaging | ||
24 | * @author Christian Grothoff | ||
25 | */ | ||
26 | #include "platform.h" | ||
27 | #include "gnunet_protocols.h" | ||
28 | #include "gnunet_util_lib.h" | ||
29 | #include "gnunet_service_lib.h" | ||
30 | #include "transport.h" | ||
31 | #include "gnunet-service-transport_blacklist.h" | ||
32 | |||
33 | /** | ||
34 | * Handle a request to start a blacklist. | ||
35 | * | ||
36 | * @param cls closure (always NULL) | ||
37 | * @param client identification of the client | ||
38 | * @param message the actual message | ||
39 | */ | ||
40 | void | ||
41 | GNUNET_TRANSPORT_handle_blacklist_init (void *cls, | ||
42 | struct GNUNET_SERVER_Client *client, | ||
43 | const struct GNUNET_MessageHeader *message) | ||
44 | { | ||
45 | struct Blacklisters *bl; | ||
46 | |||
47 | bl = GNUNET_malloc (sizeof (struct Blacklisters)); | ||
48 | bl->client = client; | ||
49 | GNUNET_SERVER_client_keep (client); | ||
50 | GNUNET_CONTAINER_DLL_insert (bl_head, bl_tail, bl); | ||
51 | /* FIXME: confirm that all existing connections are OK! */ | ||
52 | } | ||
53 | |||
54 | |||
55 | /** | ||
56 | * Handle a request to blacklist a peer. | ||
57 | * | ||
58 | * @param cls closure (always NULL) | ||
59 | * @param client identification of the client | ||
60 | * @param message the actual message | ||
61 | */ | ||
62 | void | ||
63 | GNUNET_TRANSPORT_handle_blacklist_reply (void *cls, | ||
64 | struct GNUNET_SERVER_Client *client, | ||
65 | const struct GNUNET_MessageHeader *message) | ||
66 | { | ||
67 | struct Blacklisters *bl; | ||
68 | const struct BlacklistMessage *msg = (const struct BlacklistMessage*) message; | ||
69 | |||
70 | bl = bl_head; | ||
71 | while ( (bl != NULL) && | ||
72 | (bl->client != client) ) | ||
73 | bl = bl->next; | ||
74 | if (bl == NULL) | ||
75 | { | ||
76 | GNUNET_SERVER_client_done (client, GNUNET_SYSERR); | ||
77 | return; | ||
78 | } | ||
79 | if (ntohl (msg->is_allowed) == GNUNET_SYSERR) | ||
80 | { | ||
81 | be = GNUNET_malloc (sizeof (struct BlacklistEntry)); | ||
82 | be->peer = msg->peer; | ||
83 | be->client = client; | ||
84 | GNUNET_CONTAINER_multihashmap_put (blacklist, | ||
85 | &msg->peer.hashPubKey, | ||
86 | be, | ||
87 | GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE); | ||
88 | } | ||
89 | /* FIXME: trigger continuation... */ | ||
90 | } | ||
91 | |||
92 | |||
93 | /** | ||
94 | * Notify the given client about all entries in the blacklist. | ||
95 | * | ||
96 | * @param cls closure, refers to the 'struct GNUNET_SERVER_Client' to notify | ||
97 | * @param key current key code (peer identity, not used) | ||
98 | * @param value value in the hash map, the 'struct BlacklistEntry*' | ||
99 | * @return GNUNET_YES (continue to iterate) | ||
100 | */ | ||
101 | static int | ||
102 | notify_blacklist_entry (void *cls, | ||
103 | const GNUNET_HashCode *key, | ||
104 | void *value) | ||
105 | { | ||
106 | struct GNUNET_SERVER_Client *client = cls; | ||
107 | struct BlacklistEntry *be = value; | ||
108 | struct BlacklistMessage msg; | ||
109 | |||
110 | msg.header.type = htons (GNUNET_MESSAGE_TYPE_TRANSPORT_BLACKLIST); | ||
111 | msg.header.size = htons (sizeof (struct BlacklistMessage)); | ||
112 | msg.reserved = htonl (0); | ||
113 | msg.peer = be->peer; | ||
114 | msg.until = GNUNET_TIME_absolute_hton (be->until); | ||
115 | GNUNET_SERVER_notification_context_unicast (blacklist_notifiers, | ||
116 | client, | ||
117 | &msg.header, | ||
118 | GNUNET_NO); | ||
119 | return GNUNET_YES; | ||
120 | } | ||
121 | |||
122 | |||
123 | /** | ||
124 | * Handle a request for notification of blacklist changes. | ||
125 | * | ||
126 | * @param cls closure (always NULL) | ||
127 | * @param client identification of the client | ||
128 | * @param message the actual message | ||
129 | */ | ||
130 | void | ||
131 | GNUNET_TRANSPORT_handle_blacklist_notify (void *cls, | ||
132 | struct GNUNET_SERVER_Client *client, | ||
133 | const struct GNUNET_MessageHeader *message) | ||
134 | { | ||
135 | GNUNET_SERVER_notification_context_add (blacklist_notifiers, client); | ||
136 | GNUNET_CONTAINER_multihashmap_iterate (blacklist, | ||
137 | ¬ify_blacklist_entry, | ||
138 | client); | ||
139 | } | ||
140 | |||
141 | |||
142 | /** | ||
143 | * Is the given peer currently blacklisted? | ||
144 | * | ||
145 | * @param id identity of the peer | ||
146 | * @return GNUNET_YES if the peer is blacklisted, GNUNET_NO if not | ||
147 | */ | ||
148 | int | ||
149 | GNUNET_TRANSPORT_blacklist_check (const struct GNUNET_PeerIdentity *id) | ||
150 | { | ||
151 | if (GNUNET_CONTAINER_multihashmap_contains (blacklist, &id->hashPubKey)) | ||
152 | return GNUNET_YES; | ||
153 | |||
154 | } | ||
155 | |||
156 | |||
157 | /** | ||
158 | * Initialize the blacklisting subsystem. | ||
159 | * | ||
160 | * @param server server of the transport service | ||
161 | * @param s scheduler to use | ||
162 | */ | ||
163 | void | ||
164 | GNUNET_TRANSPORT_blacklist_init (struct GNUNET_SERVER_Handle *server, | ||
165 | struct GNUNET_SCHEDULER_Handle *s) | ||
166 | { | ||
167 | sched = s; | ||
168 | blacklist = GNUNET_CONTAINER_multihashmap_create (4); | ||
169 | GNUNET_SCHEDULER_add_delayed (sched, | ||
170 | GNUNET_TIME_UNIT_FOREVER_REL, | ||
171 | &shutdown_task, | ||
172 | NULL); | ||
173 | } | ||
174 | |||
175 | |||
176 | /* end of gnunet-service-transport_blacklist.c */ | ||