diff options
Diffstat (limited to 'src/messenger/gnunet-service-messenger_message_recv.c')
-rw-r--r-- | src/messenger/gnunet-service-messenger_message_recv.c | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/src/messenger/gnunet-service-messenger_message_recv.c b/src/messenger/gnunet-service-messenger_message_recv.c deleted file mode 100644 index b2a5052d2..000000000 --- a/src/messenger/gnunet-service-messenger_message_recv.c +++ /dev/null | |||
@@ -1,175 +0,0 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | Copyright (C) 2020--2021 GNUnet e.V. | ||
4 | |||
5 | GNUnet is free software: you can redistribute it and/or modify it | ||
6 | under the terms of the GNU Affero General Public License as published | ||
7 | by the Free Software Foundation, either version 3 of the License, | ||
8 | or (at your 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 | Affero General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Affero General Public License | ||
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
17 | |||
18 | SPDX-License-Identifier: AGPL3.0-or-later | ||
19 | */ | ||
20 | /** | ||
21 | * @author Tobias Frisch | ||
22 | * @file src/messenger/gnunet-service-messenger_message_recv.c | ||
23 | * @brief GNUnet MESSENGER service | ||
24 | */ | ||
25 | |||
26 | #include "gnunet-service-messenger_message_recv.h" | ||
27 | |||
28 | #include "gnunet-service-messenger_operation.h" | ||
29 | |||
30 | static void | ||
31 | forward_about_members (struct GNUNET_MESSENGER_SrvRoom *room, struct GNUNET_MESSENGER_SrvTunnel *tunnel, | ||
32 | struct GNUNET_MESSENGER_MemberSession *session, struct GNUNET_CONTAINER_MultiHashMap *map) | ||
33 | { | ||
34 | if (session->prev) | ||
35 | forward_about_members (room, tunnel, session->prev, map); | ||
36 | |||
37 | struct GNUNET_MESSENGER_MessageStore *message_store = get_room_message_store(room); | ||
38 | struct GNUNET_MESSENGER_ListMessage *element; | ||
39 | |||
40 | for (element = session->messages.head; element; element = element->next) | ||
41 | { | ||
42 | if (GNUNET_YES == GNUNET_CONTAINER_multihashmap_contains(map, &(element->hash))) | ||
43 | continue; | ||
44 | |||
45 | if (GNUNET_OK != GNUNET_CONTAINER_multihashmap_put(map, &(element->hash), NULL, | ||
46 | GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST)) | ||
47 | GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Forwarding of session message could be duplicated!\n"); | ||
48 | |||
49 | const struct GNUNET_MESSENGER_Message *message = get_store_message(message_store, &(element->hash)); | ||
50 | |||
51 | if (message) | ||
52 | forward_tunnel_message(tunnel, message, &(element->hash)); | ||
53 | } | ||
54 | } | ||
55 | |||
56 | static int | ||
57 | iterate_forward_members (void *cls, const struct GNUNET_IDENTITY_PublicKey *public_key, | ||
58 | struct GNUNET_MESSENGER_MemberSession *session) | ||
59 | { | ||
60 | struct GNUNET_MESSENGER_SrvTunnel *tunnel = cls; | ||
61 | |||
62 | if (GNUNET_YES == is_member_session_completed(session)) | ||
63 | return GNUNET_YES; | ||
64 | |||
65 | struct GNUNET_CONTAINER_MultiHashMap *map = GNUNET_CONTAINER_multihashmap_create(4, GNUNET_NO); | ||
66 | |||
67 | forward_about_members (tunnel->room, tunnel, session, map); | ||
68 | |||
69 | GNUNET_CONTAINER_multihashmap_destroy(map); | ||
70 | return GNUNET_YES; | ||
71 | } | ||
72 | |||
73 | int | ||
74 | recv_message_info (struct GNUNET_MESSENGER_SrvRoom *room, struct GNUNET_MESSENGER_SrvTunnel *tunnel, | ||
75 | const struct GNUNET_MESSENGER_Message *message, const struct GNUNET_HashCode *hash) | ||
76 | { | ||
77 | const uint32_t version = get_tunnel_messenger_version(tunnel); | ||
78 | |||
79 | if (GNUNET_OK != update_tunnel_messenger_version(tunnel, message->body.info.messenger_version)) | ||
80 | { | ||
81 | disconnect_tunnel(tunnel); | ||
82 | return GNUNET_NO; | ||
83 | } | ||
84 | |||
85 | if (version == get_tunnel_messenger_version(tunnel)) | ||
86 | return GNUNET_NO; | ||
87 | |||
88 | if (room->host) | ||
89 | { | ||
90 | const struct GNUNET_MESSENGER_Ego *ego = get_handle_ego(room->host); | ||
91 | |||
92 | send_tunnel_message (tunnel, room->host, create_message_info(ego)); | ||
93 | } | ||
94 | |||
95 | struct GNUNET_PeerIdentity peer; | ||
96 | get_tunnel_peer_identity(tunnel, &peer); | ||
97 | |||
98 | if (GNUNET_YES != contains_list_tunnels(&(room->basement), &peer)) | ||
99 | { | ||
100 | struct GNUNET_MESSENGER_MemberStore *member_store = get_room_member_store(room); | ||
101 | |||
102 | iterate_store_members(member_store, iterate_forward_members, tunnel); | ||
103 | } | ||
104 | |||
105 | check_room_peer_status(room, tunnel); | ||
106 | |||
107 | return GNUNET_NO; | ||
108 | } | ||
109 | |||
110 | int | ||
111 | recv_message_peer (struct GNUNET_MESSENGER_SrvRoom *room, struct GNUNET_MESSENGER_SrvTunnel *tunnel, | ||
112 | const struct GNUNET_MESSENGER_Message *message, const struct GNUNET_HashCode *hash) | ||
113 | { | ||
114 | struct GNUNET_PeerIdentity peer; | ||
115 | GNUNET_PEER_resolve (tunnel->peer, &peer); | ||
116 | |||
117 | if (0 == GNUNET_memcmp(&peer, &(message->body.peer.peer))) | ||
118 | { | ||
119 | if (!tunnel->peer_message) | ||
120 | tunnel->peer_message = GNUNET_new(struct GNUNET_HashCode); | ||
121 | |||
122 | GNUNET_memcpy(tunnel->peer_message, &hash, sizeof(hash)); | ||
123 | } | ||
124 | |||
125 | return GNUNET_YES; | ||
126 | } | ||
127 | |||
128 | static void | ||
129 | callback_found_message (void *cls, struct GNUNET_MESSENGER_SrvRoom *room, | ||
130 | const struct GNUNET_MESSENGER_Message *message, | ||
131 | const struct GNUNET_HashCode *hash) | ||
132 | { | ||
133 | struct GNUNET_MESSENGER_SrvTunnel *tunnel = tunnel; | ||
134 | |||
135 | if (!message) | ||
136 | { | ||
137 | struct GNUNET_MESSENGER_OperationStore *operation_store = get_room_operation_store(room); | ||
138 | |||
139 | use_store_operation( | ||
140 | operation_store, | ||
141 | hash, | ||
142 | GNUNET_MESSENGER_OP_REQUEST, | ||
143 | GNUNET_MESSENGER_REQUEST_DELAY | ||
144 | ); | ||
145 | } | ||
146 | else | ||
147 | forward_tunnel_message (tunnel, message, hash); | ||
148 | } | ||
149 | |||
150 | /* | ||
151 | * Function returns GNUNET_NO to drop forwarding the request. | ||
152 | * It will only be forwarded if it can't be answered! | ||
153 | */ | ||
154 | int | ||
155 | recv_message_request (struct GNUNET_MESSENGER_SrvRoom *room, struct GNUNET_MESSENGER_SrvTunnel *tunnel, | ||
156 | const struct GNUNET_MESSENGER_Message *message, const struct GNUNET_HashCode *hash) | ||
157 | { | ||
158 | struct GNUNET_MESSENGER_MemberStore *member_store = get_room_member_store(room); | ||
159 | struct GNUNET_MESSENGER_Member *member = get_store_member_of(member_store, message); | ||
160 | |||
161 | GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Request for message (%s)\n", GNUNET_h2s (hash)); | ||
162 | |||
163 | if (!member) | ||
164 | return GNUNET_NO; | ||
165 | |||
166 | struct GNUNET_MESSENGER_MemberSession *session = get_member_session_of(member, message, hash); | ||
167 | |||
168 | if ((!session) || (GNUNET_YES != check_member_session_history(session, hash, GNUNET_NO))) | ||
169 | return GNUNET_NO; | ||
170 | |||
171 | if (GNUNET_NO == request_room_message(room, &(message->body.request.hash), session, callback_found_message, tunnel)) | ||
172 | return GNUNET_YES; | ||
173 | |||
174 | return GNUNET_NO; | ||
175 | } | ||