diff options
Diffstat (limited to 'src/messenger/gnunet-service-messenger_message_recv.c')
-rw-r--r-- | src/messenger/gnunet-service-messenger_message_recv.c | 185 |
1 files changed, 0 insertions, 185 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 4e96cf552..000000000 --- a/src/messenger/gnunet-service-messenger_message_recv.c +++ /dev/null | |||
@@ -1,185 +0,0 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | Copyright (C) 2020--2022 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, | ||
32 | struct GNUNET_MESSENGER_SrvTunnel *tunnel, | ||
33 | struct GNUNET_MESSENGER_MemberSession *session, | ||
34 | struct GNUNET_CONTAINER_MultiHashMap *map) | ||
35 | { | ||
36 | if (session->prev) | ||
37 | forward_about_members (room, tunnel, session->prev, map); | ||
38 | |||
39 | struct GNUNET_MESSENGER_MessageStore *message_store = get_srv_room_message_store(room); | ||
40 | struct GNUNET_MESSENGER_ListMessage *element; | ||
41 | |||
42 | for (element = session->messages.head; element; element = element->next) | ||
43 | { | ||
44 | if (GNUNET_YES == GNUNET_CONTAINER_multihashmap_contains(map, &(element->hash))) | ||
45 | continue; | ||
46 | |||
47 | if (GNUNET_OK != GNUNET_CONTAINER_multihashmap_put(map, &(element->hash), NULL, | ||
48 | GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST)) | ||
49 | GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Forwarding of session message could be duplicated!\n"); | ||
50 | |||
51 | const struct GNUNET_MESSENGER_Message *message = get_store_message(message_store, &(element->hash)); | ||
52 | |||
53 | if (message) | ||
54 | forward_tunnel_message(tunnel, message, &(element->hash)); | ||
55 | } | ||
56 | } | ||
57 | |||
58 | static int | ||
59 | iterate_forward_members (void *cls, | ||
60 | const struct GNUNET_IDENTITY_PublicKey *public_key, | ||
61 | struct GNUNET_MESSENGER_MemberSession *session) | ||
62 | { | ||
63 | struct GNUNET_MESSENGER_SrvTunnel *tunnel = cls; | ||
64 | |||
65 | if (GNUNET_YES == is_member_session_completed(session)) | ||
66 | return GNUNET_YES; | ||
67 | |||
68 | struct GNUNET_CONTAINER_MultiHashMap *map = GNUNET_CONTAINER_multihashmap_create(4, GNUNET_NO); | ||
69 | |||
70 | forward_about_members (tunnel->room, tunnel, session, map); | ||
71 | |||
72 | GNUNET_CONTAINER_multihashmap_destroy(map); | ||
73 | return GNUNET_YES; | ||
74 | } | ||
75 | |||
76 | int | ||
77 | recv_message_info (struct GNUNET_MESSENGER_SrvRoom *room, | ||
78 | struct GNUNET_MESSENGER_SrvTunnel *tunnel, | ||
79 | const struct GNUNET_MESSENGER_Message *message, | ||
80 | const struct GNUNET_HashCode *hash) | ||
81 | { | ||
82 | const uint32_t version = get_tunnel_messenger_version(tunnel); | ||
83 | |||
84 | if (GNUNET_OK != update_tunnel_messenger_version(tunnel, message->body.info.messenger_version)) | ||
85 | { | ||
86 | disconnect_tunnel(tunnel); | ||
87 | return GNUNET_NO; | ||
88 | } | ||
89 | |||
90 | if (version == get_tunnel_messenger_version(tunnel)) | ||
91 | return GNUNET_NO; | ||
92 | |||
93 | if (room->host) | ||
94 | { | ||
95 | const struct GNUNET_MESSENGER_Ego *ego = get_srv_handle_ego(room->host); | ||
96 | |||
97 | send_tunnel_message (tunnel, room->host, create_message_info(ego)); | ||
98 | } | ||
99 | |||
100 | struct GNUNET_PeerIdentity peer; | ||
101 | get_tunnel_peer_identity(tunnel, &peer); | ||
102 | |||
103 | if (GNUNET_YES != contains_list_tunnels(&(room->basement), &peer)) | ||
104 | { | ||
105 | struct GNUNET_MESSENGER_MemberStore *member_store = get_srv_room_member_store(room); | ||
106 | |||
107 | iterate_store_members(member_store, iterate_forward_members, tunnel); | ||
108 | } | ||
109 | |||
110 | check_srv_room_peer_status(room, tunnel); | ||
111 | |||
112 | return GNUNET_NO; | ||
113 | } | ||
114 | |||
115 | int | ||
116 | recv_message_peer (struct GNUNET_MESSENGER_SrvRoom *room, | ||
117 | struct GNUNET_MESSENGER_SrvTunnel *tunnel, | ||
118 | const struct GNUNET_MESSENGER_Message *message, | ||
119 | const struct GNUNET_HashCode *hash) | ||
120 | { | ||
121 | struct GNUNET_PeerIdentity peer; | ||
122 | GNUNET_PEER_resolve (tunnel->peer, &peer); | ||
123 | |||
124 | if (0 == GNUNET_memcmp(&peer, &(message->body.peer.peer))) | ||
125 | { | ||
126 | if (!tunnel->peer_message) | ||
127 | tunnel->peer_message = GNUNET_new(struct GNUNET_HashCode); | ||
128 | |||
129 | GNUNET_memcpy(tunnel->peer_message, &hash, sizeof(hash)); | ||
130 | } | ||
131 | |||
132 | return GNUNET_YES; | ||
133 | } | ||
134 | |||
135 | static void | ||
136 | callback_found_message (void *cls, | ||
137 | struct GNUNET_MESSENGER_SrvRoom *room, | ||
138 | const struct GNUNET_MESSENGER_Message *message, | ||
139 | const struct GNUNET_HashCode *hash) | ||
140 | { | ||
141 | struct GNUNET_MESSENGER_SrvTunnel *tunnel = tunnel; | ||
142 | |||
143 | if (!message) | ||
144 | { | ||
145 | struct GNUNET_MESSENGER_OperationStore *operation_store = get_srv_room_operation_store(room); | ||
146 | |||
147 | use_store_operation( | ||
148 | operation_store, | ||
149 | hash, | ||
150 | GNUNET_MESSENGER_OP_REQUEST, | ||
151 | GNUNET_MESSENGER_REQUEST_DELAY | ||
152 | ); | ||
153 | } | ||
154 | else | ||
155 | forward_tunnel_message (tunnel, message, hash); | ||
156 | } | ||
157 | |||
158 | /* | ||
159 | * Function returns GNUNET_NO to drop forwarding the request. | ||
160 | * It will only be forwarded if it can't be answered! | ||
161 | */ | ||
162 | int | ||
163 | recv_message_request (struct GNUNET_MESSENGER_SrvRoom *room, | ||
164 | struct GNUNET_MESSENGER_SrvTunnel *tunnel, | ||
165 | const struct GNUNET_MESSENGER_Message *message, | ||
166 | const struct GNUNET_HashCode *hash) | ||
167 | { | ||
168 | struct GNUNET_MESSENGER_MemberStore *member_store = get_srv_room_member_store(room); | ||
169 | struct GNUNET_MESSENGER_Member *member = get_store_member_of(member_store, message); | ||
170 | |||
171 | GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Request for message (%s)\n", GNUNET_h2s (hash)); | ||
172 | |||
173 | if (!member) | ||
174 | return GNUNET_NO; | ||
175 | |||
176 | struct GNUNET_MESSENGER_MemberSession *session = get_member_session_of(member, message, hash); | ||
177 | |||
178 | if ((!session) || (GNUNET_YES != check_member_session_history(session, hash, GNUNET_NO))) | ||
179 | return GNUNET_NO; | ||
180 | |||
181 | if (GNUNET_NO == request_srv_room_message(room, &(message->body.request.hash), session, callback_found_message, tunnel)) | ||
182 | return GNUNET_YES; | ||
183 | |||
184 | return GNUNET_NO; | ||
185 | } | ||