mirror of
https://github.com/irungentoo/toxcore.git
synced 2024-03-22 13:30:51 +08:00
Removed core/Messenger.c.orig
Cleanup from merge conflict.
This commit is contained in:
slvr
parent
4bfeb2f483
commit
9e3f48c165
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@ -1,795 +0,0 @@
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/* Messenger.c
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*
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* An implementation of a simple text chat only messenger on the tox network core.
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*
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* Copyright (C) 2013 Tox project All Rights Reserved.
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*
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* This file is part of Tox.
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*
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* Tox is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Tox is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Tox. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "Messenger.h"
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#include "timer.h"
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#define MIN(a,b) (((a)<(b))?(a):(b))
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static void set_friend_status(Messenger *m, int friendnumber, uint8_t status);
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static int write_cryptpacket_id(Messenger *m, int friendnumber, uint8_t packet_id, uint8_t *data, uint32_t length);
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/* 1 if we are online
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0 if we are offline
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static uint8_t online; */
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/* set the size of the friend list to numfriends
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return -1 if realloc fails */
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int realloc_friendlist(Messenger *m, uint32_t num) {
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Friend *newfriendlist = realloc(m->friendlist, num*sizeof(Friend));
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if (newfriendlist == NULL)
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return -1;
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memset(&newfriendlist[num-1], 0, sizeof(Friend));
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m->friendlist = newfriendlist;
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return 0;
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}
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/* return the friend id associated to that public key.
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return -1 if no such friend */
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int getfriend_id(Messenger *m, uint8_t *client_id)
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{
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uint32_t i;
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for (i = 0; i < m->numfriends; ++i) {
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if (m->friendlist[i].status > 0)
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if (memcmp(client_id, m->friendlist[i].client_id, crypto_box_PUBLICKEYBYTES) == 0)
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return i;
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}
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return -1;
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}
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/* copies the public key associated to that friend id into client_id buffer.
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make sure that client_id is of size CLIENT_ID_SIZE.
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return 0 if success
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return -1 if failure. */
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int getclient_id(Messenger *m, int friend_id, uint8_t *client_id)
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{
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if (friend_id >= m->numfriends || friend_id < 0)
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return -1;
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if (m->friendlist[friend_id].status > 0) {
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memcpy(client_id, m->friendlist[friend_id].client_id, CLIENT_ID_SIZE);
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return 0;
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}
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return -1;
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}
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/*
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* add a friend
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* set the data that will be sent along with friend request
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* client_id is the client id of the friend
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* data is the data and length is the length
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* returns the friend number if success
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* return FA_TOOLONG if message length is too long
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* return FAERR_NOMESSAGE if no message (message length must be >= 1 byte)
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* return FAERR_OWNKEY if user's own key
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* return FAERR_ALREADYSENT if friend request already sent or already a friend
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* return FAERR_UNKNOWN for unknown error
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*/
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int m_addfriend(Messenger *m, uint8_t *client_id, uint8_t *data, uint16_t length)
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{
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if (length >= (MAX_DATA_SIZE - crypto_box_PUBLICKEYBYTES
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- crypto_box_NONCEBYTES - crypto_box_BOXZEROBYTES
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+ crypto_box_ZEROBYTES))
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return FAERR_TOOLONG;
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if (length < 1)
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return FAERR_NOMESSAGE;
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if (memcmp(client_id, self_public_key, crypto_box_PUBLICKEYBYTES) == 0)
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return FAERR_OWNKEY;
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if (getfriend_id(m, client_id) != -1)
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return FAERR_ALREADYSENT;
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/* resize the friend list if necessary */
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realloc_friendlist(m, m->numfriends + 1);
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uint32_t i;
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for (i = 0; i <= m->numfriends; ++i) {
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if (m->friendlist[i].status == NOFRIEND) {
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DHT_addfriend(client_id);
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m->friendlist[i].status = FRIEND_ADDED;
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m->friendlist[i].crypt_connection_id = -1;
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m->friendlist[i].friend_request_id = -1;
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memcpy(m->friendlist[i].client_id, client_id, CLIENT_ID_SIZE);
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m->friendlist[i].statusmessage = calloc(1, 1);
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m->friendlist[i].statusmessage_length = 1;
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m->friendlist[i].userstatus = USERSTATUS_NONE;
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memcpy(m->friendlist[i].info, data, length);
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m->friendlist[i].info_size = length;
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m->friendlist[i].message_id = 0;
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m->friendlist[i].receives_read_receipts = 1; /* default: YES */
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++ m->numfriends;
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return i;
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}
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}
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return FAERR_UNKNOWN;
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}
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int m_addfriend_norequest(Messenger *m, uint8_t * client_id)
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{
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if (getfriend_id(m, client_id) != -1)
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return -1;
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/* resize the friend list if necessary */
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realloc_friendlist(m, m->numfriends + 1);
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uint32_t i;
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for (i = 0; i <= m->numfriends; ++i) {
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if(m->friendlist[i].status == NOFRIEND) {
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DHT_addfriend(client_id);
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m->friendlist[i].status = FRIEND_REQUESTED;
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m->friendlist[i].crypt_connection_id = -1;
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m->friendlist[i].friend_request_id = -1;
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memcpy(m->friendlist[i].client_id, client_id, CLIENT_ID_SIZE);
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m->friendlist[i].statusmessage = calloc(1, 1);
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m->friendlist[i].statusmessage_length = 1;
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m->friendlist[i].userstatus = USERSTATUS_NONE;
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m->friendlist[i].message_id = 0;
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m->friendlist[i].receives_read_receipts = 1; /* default: YES */
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++ m->numfriends;
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return i;
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}
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}
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return -1;
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}
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/* remove a friend
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return 0 if success
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return -1 if failure */
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int m_delfriend(Messenger *m, int friendnumber)
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{
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if (friendnumber >= m->numfriends || friendnumber < 0)
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return -1;
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DHT_delfriend(m->friendlist[friendnumber].client_id);
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crypto_kill(m->friendlist[friendnumber].crypt_connection_id);
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free(m->friendlist[friendnumber].statusmessage);
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memset(&(m->friendlist[friendnumber]), 0, sizeof(Friend));
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uint32_t i;
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for (i = m->numfriends; i != 0; --i) {
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if (m->friendlist[i-1].status != NOFRIEND)
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break;
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}
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m->numfriends = i;
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realloc_friendlist(m, m->numfriends + 1);
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return 0;
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}
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/* return FRIEND_ONLINE if friend is online
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return FRIEND_CONFIRMED if friend is confirmed
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return FRIEND_REQUESTED if the friend request was sent
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return FRIEND_ADDED if the friend was added
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return NOFRIEND if there is no friend with that number */
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int m_friendstatus(Messenger *m, int friendnumber)
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{
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if (friendnumber < 0 || friendnumber >= m->numfriends)
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return NOFRIEND;
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return m->friendlist[friendnumber].status;
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}
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/* send a text chat message to an online friend
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return the message id if packet was successfully put into the send queue
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return 0 if it was not */
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uint32_t m_sendmessage(Messenger *m, int friendnumber, uint8_t *message, uint32_t length)
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{
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if (friendnumber < 0 || friendnumber >= m->numfriends)
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return 0;
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uint32_t msgid = ++m->friendlist[friendnumber].message_id;
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if (msgid == 0)
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msgid = 1; /* otherwise, false error */
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if(m_sendmessage_withid(m, friendnumber, msgid, message, length)) {
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return msgid;
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}
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return 0;
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}
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uint32_t m_sendmessage_withid(Messenger *m, int friendnumber, uint32_t theid, uint8_t *message, uint32_t length)
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{
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if (length >= (MAX_DATA_SIZE - sizeof(theid)))
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return 0;
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uint8_t temp[MAX_DATA_SIZE];
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theid = htonl(theid);
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memcpy(temp, &theid, sizeof(theid));
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memcpy(temp + sizeof(theid), message, length);
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return write_cryptpacket_id(m, friendnumber, PACKET_ID_MESSAGE, temp, length + sizeof(theid));
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}
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/* send an action to an online friend
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return 1 if packet was successfully put into the send queue
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return 0 if it was not */
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int m_sendaction(Messenger *m, int friendnumber, uint8_t *action, uint32_t length)
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{
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return write_cryptpacket_id(m, friendnumber, PACKET_ID_ACTION, action, length);
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}
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/* send a name packet to friendnumber
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length is the length with the NULL terminator*/
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static int m_sendname(Messenger *m, int friendnumber, uint8_t * name, uint16_t length)
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{
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if(length > MAX_NAME_LENGTH || length == 0)
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return 0;
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return write_cryptpacket_id(m, friendnumber, PACKET_ID_NICKNAME, name, length);
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}
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/* set the name of a friend
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return 0 if success
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return -1 if failure */
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static int setfriendname(Messenger *m, int friendnumber, uint8_t * name)
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{
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if (friendnumber >= m->numfriends || friendnumber < 0)
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return -1;
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memcpy(m->friendlist[friendnumber].name, name, MAX_NAME_LENGTH);
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return 0;
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}
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/* Set our nickname
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name must be a string of maximum MAX_NAME_LENGTH length.
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length must be at least 1 byte
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length is the length of name with the NULL terminator
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return 0 if success
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return -1 if failure */
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int setname(Messenger *m, uint8_t * name, uint16_t length)
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{
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if (length > MAX_NAME_LENGTH || length == 0)
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return -1;
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memcpy(m->name, name, length);
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m->name_length = length;
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uint32_t i;
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for (i = 0; i < m->numfriends; ++i)
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m->friendlist[i].name_sent = 0;
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return 0;
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}
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/* get our nickname
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put it in name
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name needs to be a valid memory location with a size of at least MAX_NAME_LENGTH bytes.
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return the length of the name */
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uint16_t getself_name(Messenger *m, uint8_t *name)
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{
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memcpy(name, m->name, m->name_length);
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return m->name_length;
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}
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/* get name of friendnumber
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put it in name
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name needs to be a valid memory location with a size of at least MAX_NAME_LENGTH bytes.
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return 0 if success
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return -1 if failure */
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int getname(Messenger *m, int friendnumber, uint8_t * name)
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{
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if (friendnumber >= m->numfriends || friendnumber < 0)
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return -1;
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memcpy(name, m->friendlist[friendnumber].name, MAX_NAME_LENGTH);
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return 0;
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}
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int m_set_statusmessage(Messenger *m, uint8_t *status, uint16_t length)
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{
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if (length > MAX_STATUSMESSAGE_LENGTH)
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return -1;
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memcpy(m->statusmessage, status, length);
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m->statusmessage_length = length;
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uint32_t i;
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for (i = 0; i < m->numfriends; ++i)
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m->friendlist[i].statusmessage_sent = 0;
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return 0;
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}
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int m_set_userstatus(Messenger *m, USERSTATUS status)
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{
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if (status >= USERSTATUS_INVALID) {
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return -1;
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}
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m->userstatus = status;
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uint32_t i;
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for (i = 0; i < m->numfriends; ++i)
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m->friendlist[i].userstatus_sent = 0;
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return 0;
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}
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/* return the size of friendnumber's user status
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guaranteed to be at most MAX_STATUSMESSAGE_LENGTH */
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int m_get_statusmessage_size(Messenger *m, int friendnumber)
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{
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if (friendnumber >= m->numfriends || friendnumber < 0)
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return -1;
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return m->friendlist[friendnumber].statusmessage_length;
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}
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/* copy the user status of friendnumber into buf, truncating if needed to maxlen
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bytes, use m_get_statusmessage_size to find out how much you need to allocate */
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int m_copy_statusmessage(Messenger *m, int friendnumber, uint8_t * buf, uint32_t maxlen)
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{
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if (friendnumber >= m->numfriends || friendnumber < 0)
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return -1;
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memset(buf, 0, maxlen);
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memcpy(buf, m->friendlist[friendnumber].statusmessage, MIN(maxlen, MAX_STATUSMESSAGE_LENGTH) - 1);
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return 0;
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}
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int m_copy_self_statusmessage(Messenger *m, uint8_t * buf, uint32_t maxlen)
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{
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memset(buf, 0, maxlen);
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memcpy(buf, m->statusmessage, MIN(maxlen, MAX_STATUSMESSAGE_LENGTH) - 1);
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return 0;
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}
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USERSTATUS m_get_userstatus(Messenger *m, int friendnumber)
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{
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if (friendnumber >= m->numfriends || friendnumber < 0)
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return USERSTATUS_INVALID;
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USERSTATUS status = m->friendlist[friendnumber].userstatus;
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if (status >= USERSTATUS_INVALID) {
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status = USERSTATUS_NONE;
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}
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return status;
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}
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USERSTATUS m_get_self_userstatus(Messenger *m)
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{
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return m->userstatus;
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}
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static int send_statusmessage(Messenger *m, int friendnumber, uint8_t * status, uint16_t length)
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{
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return write_cryptpacket_id(m, friendnumber, PACKET_ID_STATUSMESSAGE, status, length);
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}
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static int send_userstatus(Messenger *m, int friendnumber, USERSTATUS status)
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{
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uint8_t stat = status;
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return write_cryptpacket_id(m, friendnumber, PACKET_ID_USERSTATUS, &stat, sizeof(stat));
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}
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|
||||||
|
|
||||||
static int set_friend_statusmessage(Messenger *m, int friendnumber, uint8_t * status, uint16_t length)
|
|
||||||
{
|
|
||||||
if (friendnumber >= m->numfriends || friendnumber < 0)
|
|
||||||
return -1;
|
|
||||||
uint8_t *newstatus = calloc(length, 1);
|
|
||||||
memcpy(newstatus, status, length);
|
|
||||||
free(m->friendlist[friendnumber].statusmessage);
|
|
||||||
m->friendlist[friendnumber].statusmessage = newstatus;
|
|
||||||
m->friendlist[friendnumber].statusmessage_length = length;
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void set_friend_userstatus(Messenger *m, int friendnumber, USERSTATUS status)
|
|
||||||
{
|
|
||||||
m->friendlist[friendnumber].userstatus = status;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Sets whether we send read receipts for friendnumber. */
|
|
||||||
void m_set_sends_receipts(Messenger *m, int friendnumber, int yesno)
|
|
||||||
{
|
|
||||||
if (yesno != 0 || yesno != 1)
|
|
||||||
return;
|
|
||||||
if (friendnumber >= m->numfriends || friendnumber < 0)
|
|
||||||
return;
|
|
||||||
m->friendlist[friendnumber].receives_read_receipts = yesno;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* static void (*friend_request)(uint8_t *, uint8_t *, uint16_t);
|
|
||||||
static uint8_t friend_request_isset = 0; */
|
|
||||||
/* set the function that will be executed when a friend request is received. */
|
|
||||||
void m_callback_friendrequest(Messenger *m, void (*function)(uint8_t *, uint8_t *, uint16_t, void*), void* userdata)
|
|
||||||
{
|
|
||||||
callback_friendrequest(function, userdata);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* set the function that will be executed when a message from a friend is received. */
|
|
||||||
void m_callback_friendmessage(Messenger *m, void (*function)(Messenger *m, int, uint8_t *, uint16_t, void*), void* userdata)
|
|
||||||
{
|
|
||||||
m->friend_message = function;
|
|
||||||
m->friend_message_isset = 1;
|
|
||||||
m->friend_message_userdata = userdata;
|
|
||||||
}
|
|
||||||
|
|
||||||
void m_callback_action(Messenger *m, void (*function)(Messenger *m, int, uint8_t *, uint16_t, void*), void* userdata)
|
|
||||||
{
|
|
||||||
m->friend_action = function;
|
|
||||||
m->friend_action_isset = 1;
|
|
||||||
m->friend_action_userdata = userdata;
|
|
||||||
}
|
|
||||||
|
|
||||||
void m_callback_namechange(Messenger *m, void (*function)(Messenger *m, int, uint8_t *, uint16_t, void*), void* userdata)
|
|
||||||
{
|
|
||||||
m->friend_namechange = function;
|
|
||||||
m->friend_namechange_isset = 1;
|
|
||||||
m->friend_namechange_userdata = userdata;
|
|
||||||
}
|
|
||||||
|
|
||||||
void m_callback_statusmessage(Messenger *m, void (*function)(Messenger *m, int, uint8_t *, uint16_t, void*), void* userdata)
|
|
||||||
{
|
|
||||||
m->friend_statusmessagechange = function;
|
|
||||||
m->friend_statusmessagechange_isset = 1;
|
|
||||||
m->friend_statuschange_userdata = userdata;
|
|
||||||
}
|
|
||||||
|
|
||||||
void m_callback_userstatus(Messenger *m, void (*function)(Messenger *m, int, USERSTATUS, void*), void* userdata)
|
|
||||||
{
|
|
||||||
m->friend_userstatuschange = function;
|
|
||||||
m->friend_userstatuschange_isset = 1;
|
|
||||||
m->friend_userstatuschange_userdata = userdata;
|
|
||||||
}
|
|
||||||
|
|
||||||
void m_callback_read_receipt(Messenger *m, void (*function)(Messenger *m, int, uint32_t, void*), void* userdata)
|
|
||||||
{
|
|
||||||
m->read_receipt = function;
|
|
||||||
m->read_receipt_isset = 1;
|
|
||||||
m->read_receipt_userdata = userdata;
|
|
||||||
}
|
|
||||||
|
|
||||||
void m_callback_connectionstatus(Messenger *m, void (*function)(Messenger *m, int, uint8_t, void*), void* userdata)
|
|
||||||
{
|
|
||||||
m->friend_connectionstatuschange = function;
|
|
||||||
m->friend_connectionstatuschange_isset = 1;
|
|
||||||
m->friend_connectionstatuschange_userdata = userdata;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void check_friend_connectionstatus(Messenger *m, int friendnumber, uint8_t status)
|
|
||||||
{
|
|
||||||
if (!m->friend_connectionstatuschange_isset)
|
|
||||||
return;
|
|
||||||
if (status == NOFRIEND)
|
|
||||||
return;
|
|
||||||
const uint8_t was_connected = m->friendlist[friendnumber].status == FRIEND_ONLINE;
|
|
||||||
const uint8_t is_connected = status == FRIEND_ONLINE;
|
|
||||||
if (is_connected != was_connected)
|
|
||||||
m->friend_connectionstatuschange(m, friendnumber, is_connected, m->friend_connectionstatuschange_userdata);
|
|
||||||
}
|
|
||||||
|
|
||||||
void set_friend_status(Messenger *m, int friendnumber, uint8_t status)
|
|
||||||
{
|
|
||||||
check_friend_connectionstatus(m, friendnumber, status);
|
|
||||||
m->friendlist[friendnumber].status = status;
|
|
||||||
}
|
|
||||||
|
|
||||||
int write_cryptpacket_id(Messenger *m, int friendnumber, uint8_t packet_id, uint8_t *data, uint32_t length)
|
|
||||||
{
|
|
||||||
if (friendnumber < 0 || friendnumber >= m->numfriends)
|
|
||||||
return 0;
|
|
||||||
if (length >= MAX_DATA_SIZE || m->friendlist[friendnumber].status != FRIEND_ONLINE)
|
|
||||||
return 0;
|
|
||||||
uint8_t packet[length + 1];
|
|
||||||
packet[0] = packet_id;
|
|
||||||
memcpy(packet + 1, data, length);
|
|
||||||
return write_cryptpacket(m->friendlist[friendnumber].crypt_connection_id, packet, length + 1);
|
|
||||||
}
|
|
||||||
|
|
||||||
<<<<<<< HEAD
|
|
||||||
=======
|
|
||||||
#define PORT 33445
|
|
||||||
/* run this at startup */
|
|
||||||
Messenger * initMessenger(void)
|
|
||||||
{
|
|
||||||
Messenger *m = calloc(1, sizeof(Messenger));
|
|
||||||
if( ! m )
|
|
||||||
return 0;
|
|
||||||
|
|
||||||
new_keys();
|
|
||||||
m_set_statusmessage(m, (uint8_t*)"Online", sizeof("Online"));
|
|
||||||
initNetCrypto();
|
|
||||||
IP ip;
|
|
||||||
ip.i = 0;
|
|
||||||
|
|
||||||
if(init_networking(ip,PORT) == -1)
|
|
||||||
return 0;
|
|
||||||
|
|
||||||
DHT_init();
|
|
||||||
LosslessUDP_init();
|
|
||||||
friendreq_init();
|
|
||||||
LANdiscovery_init();
|
|
||||||
|
|
||||||
return m;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* run this before closing shop */
|
|
||||||
void cleanupMessenger(Messenger *m){
|
|
||||||
/* FIXME TODO it seems no one frees friendlist or all the elements status */
|
|
||||||
free(m);
|
|
||||||
}
|
|
||||||
|
|
||||||
>>>>>>> upstream/master
|
|
||||||
//TODO: make this function not suck.
|
|
||||||
void doFriends(Messenger *m)
|
|
||||||
{
|
|
||||||
/* TODO: add incoming connections and some other stuff. */
|
|
||||||
uint32_t i;
|
|
||||||
int len;
|
|
||||||
uint8_t temp[MAX_DATA_SIZE];
|
|
||||||
for (i = 0; i < m->numfriends; ++i) {
|
|
||||||
if (m->friendlist[i].status == FRIEND_ADDED) {
|
|
||||||
int fr = send_friendrequest(m->friendlist[i].client_id, m->friendlist[i].info, m->friendlist[i].info_size);
|
|
||||||
if (fr == 0) /* TODO: This needs to be fixed so that it sends the friend requests a couple of times in case of packet loss */
|
|
||||||
set_friend_status(m, i, FRIEND_REQUESTED);
|
|
||||||
else if (fr > 0)
|
|
||||||
set_friend_status(m, i, FRIEND_REQUESTED);
|
|
||||||
}
|
|
||||||
if (m->friendlist[i].status == FRIEND_REQUESTED || m->friendlist[i].status == FRIEND_CONFIRMED) { /* friend is not online */
|
|
||||||
if (m->friendlist[i].status == FRIEND_REQUESTED) {
|
|
||||||
if (m->friendlist[i].friend_request_id + 10 < unix_time()) { /*I know this is hackish but it should work.*/
|
|
||||||
send_friendrequest(m->friendlist[i].client_id, m->friendlist[i].info, m->friendlist[i].info_size);
|
|
||||||
m->friendlist[i].friend_request_id = unix_time();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
IP_Port friendip = DHT_getfriendip(m->friendlist[i].client_id);
|
|
||||||
switch (is_cryptoconnected(m->friendlist[i].crypt_connection_id)) {
|
|
||||||
case 0:
|
|
||||||
if (friendip.ip.i > 1)
|
|
||||||
m->friendlist[i].crypt_connection_id = crypto_connect(m->friendlist[i].client_id, friendip);
|
|
||||||
break;
|
|
||||||
case 3: /* Connection is established */
|
|
||||||
set_friend_status(m, i, FRIEND_ONLINE);
|
|
||||||
m->friendlist[i].name_sent = 0;
|
|
||||||
m->friendlist[i].userstatus_sent = 0;
|
|
||||||
m->friendlist[i].statusmessage_sent = 0;
|
|
||||||
break;
|
|
||||||
case 4:
|
|
||||||
crypto_kill(m->friendlist[i].crypt_connection_id);
|
|
||||||
m->friendlist[i].crypt_connection_id = -1;
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
while (m->friendlist[i].status == FRIEND_ONLINE) { /* friend is online */
|
|
||||||
if (m->friendlist[i].name_sent == 0) {
|
|
||||||
if (m_sendname(m, i, m->name, m->name_length))
|
|
||||||
m->friendlist[i].name_sent = 1;
|
|
||||||
}
|
|
||||||
if (m->friendlist[i].statusmessage_sent == 0) {
|
|
||||||
if (send_statusmessage(m, i, m->statusmessage, m->statusmessage_length))
|
|
||||||
m->friendlist[i].statusmessage_sent = 1;
|
|
||||||
}
|
|
||||||
if (m->friendlist[i].userstatus_sent == 0) {
|
|
||||||
if (send_userstatus(m, i, m->userstatus))
|
|
||||||
m->friendlist[i].userstatus_sent = 1;
|
|
||||||
}
|
|
||||||
len = read_cryptpacket(m->friendlist[i].crypt_connection_id, temp);
|
|
||||||
uint8_t packet_id = temp[0];
|
|
||||||
uint8_t* data = temp + 1;
|
|
||||||
int data_length = len - 1;
|
|
||||||
if (len > 0) {
|
|
||||||
switch (packet_id) {
|
|
||||||
case PACKET_ID_NICKNAME: {
|
|
||||||
if (data_length >= MAX_NAME_LENGTH || data_length == 0)
|
|
||||||
break;
|
|
||||||
if(m->friend_namechange_isset)
|
|
||||||
m->friend_namechange(m, i, data, data_length, m->friend_namechange_userdata);
|
|
||||||
memcpy(m->friendlist[i].name, data, data_length);
|
|
||||||
m->friendlist[i].name[data_length - 1] = 0; /* make sure the NULL terminator is present. */
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
case PACKET_ID_STATUSMESSAGE: {
|
|
||||||
if (data_length == 0)
|
|
||||||
break;
|
|
||||||
uint8_t *status = calloc(MIN(data_length, MAX_STATUSMESSAGE_LENGTH), 1);
|
|
||||||
memcpy(status, data, MIN(data_length, MAX_STATUSMESSAGE_LENGTH));
|
|
||||||
if (m->friend_statusmessagechange_isset)
|
|
||||||
m->friend_statusmessagechange(m, i, status, MIN(data_length, MAX_STATUSMESSAGE_LENGTH),
|
|
||||||
m->friend_statuschange_userdata);
|
|
||||||
set_friend_statusmessage(m, i, status, MIN(data_length, MAX_STATUSMESSAGE_LENGTH));
|
|
||||||
free(status);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
case PACKET_ID_USERSTATUS: {
|
|
||||||
if (data_length != 1)
|
|
||||||
break;
|
|
||||||
USERSTATUS status = data[0];
|
|
||||||
if (m->friend_userstatuschange_isset)
|
|
||||||
m->friend_userstatuschange(m, i, status, m->friend_userstatuschange_userdata);
|
|
||||||
set_friend_userstatus(m, i, status);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
case PACKET_ID_MESSAGE: {
|
|
||||||
uint8_t *message_id = data;
|
|
||||||
uint8_t message_id_length = 4;
|
|
||||||
uint8_t *message = data + message_id_length;
|
|
||||||
uint16_t message_length = data_length - message_id_length;
|
|
||||||
if (m->friendlist[i].receives_read_receipts) {
|
|
||||||
write_cryptpacket_id(m, i, PACKET_ID_RECEIPT, message_id, message_id_length);
|
|
||||||
}
|
|
||||||
if (m->friend_message_isset)
|
|
||||||
(*m->friend_message)(m, i, message, message_length, m->friend_message_userdata);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
case PACKET_ID_ACTION: {
|
|
||||||
if (m->friend_action_isset)
|
|
||||||
(*m->friend_action)(m, i, data, data_length, m->friend_action_userdata);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
case PACKET_ID_RECEIPT: {
|
|
||||||
uint32_t msgid;
|
|
||||||
if (data_length < sizeof(msgid))
|
|
||||||
break;
|
|
||||||
memcpy(&msgid, data, sizeof(msgid));
|
|
||||||
msgid = ntohl(msgid);
|
|
||||||
if (m->read_receipt_isset)
|
|
||||||
(*m->read_receipt)(m, i, msgid, m->read_receipt_userdata);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
if (is_cryptoconnected(m->friendlist[i].crypt_connection_id) == 4) { /* if the connection timed out, kill it */
|
|
||||||
crypto_kill(m->friendlist[i].crypt_connection_id);
|
|
||||||
m->friendlist[i].crypt_connection_id = -1;
|
|
||||||
set_friend_status(m, i, FRIEND_CONFIRMED);
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
void doInbound(Messenger *m)
|
|
||||||
{
|
|
||||||
uint8_t secret_nonce[crypto_box_NONCEBYTES];
|
|
||||||
uint8_t public_key[crypto_box_PUBLICKEYBYTES];
|
|
||||||
uint8_t session_key[crypto_box_PUBLICKEYBYTES];
|
|
||||||
int inconnection = crypto_inbound(public_key, secret_nonce, session_key);
|
|
||||||
if (inconnection != -1) {
|
|
||||||
int friend_id = getfriend_id(m, public_key);
|
|
||||||
if (friend_id != -1) {
|
|
||||||
crypto_kill(m->friendlist[friend_id].crypt_connection_id);
|
|
||||||
m->friendlist[friend_id].crypt_connection_id =
|
|
||||||
accept_crypto_inbound(inconnection, public_key, secret_nonce, session_key);
|
|
||||||
|
|
||||||
set_friend_status(m, friend_id, FRIEND_CONFIRMED);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#define PORT 33445
|
|
||||||
|
|
||||||
/*Interval in seconds between LAN discovery packet sending*/
|
|
||||||
#define LAN_DISCOVERY_INTERVAL 60
|
|
||||||
|
|
||||||
/*Send a LAN discovery packet every LAN_DISCOVERY_INTERVAL seconds*/
|
|
||||||
<<<<<<< HEAD
|
|
||||||
static int LANdiscovery_timercallback(timer* t, void* ignore)
|
|
||||||
=======
|
|
||||||
void LANdiscovery(Messenger *m)
|
|
||||||
>>>>>>> upstream/master
|
|
||||||
{
|
|
||||||
send_LANdiscovery(htons(PORT));
|
|
||||||
timer_start(t, LAN_DISCOVERY_INTERVAL);
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* run this at startup */
|
|
||||||
int initMessenger(void)
|
|
||||||
{
|
|
||||||
timer_init();
|
|
||||||
new_keys();
|
|
||||||
m_set_statusmessage((uint8_t*)"Online", sizeof("Online"));
|
|
||||||
initNetCrypto();
|
|
||||||
IP ip;
|
|
||||||
ip.i = 0;
|
|
||||||
|
|
||||||
if(init_networking(ip,PORT) == -1)
|
|
||||||
return -1;
|
|
||||||
|
|
||||||
DHT_init();
|
|
||||||
LosslessUDP_init();
|
|
||||||
friendreq_init();
|
|
||||||
LANdiscovery_init();
|
|
||||||
|
|
||||||
timer_single(&LANdiscovery_timercallback, 0, LAN_DISCOVERY_INTERVAL);
|
|
||||||
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* the main loop that needs to be run at least 200 times per second. */
|
|
||||||
void doMessenger(Messenger *m)
|
|
||||||
{
|
|
||||||
networking_poll();
|
|
||||||
<<<<<<< HEAD
|
|
||||||
timer_poll();
|
|
||||||
|
|
||||||
doDHT();
|
|
||||||
doLossless_UDP();
|
|
||||||
doNetCrypto();
|
|
||||||
doInbound();
|
|
||||||
doFriends();
|
|
||||||
=======
|
|
||||||
|
|
||||||
doDHT();
|
|
||||||
doLossless_UDP();
|
|
||||||
doNetCrypto();
|
|
||||||
doInbound(m);
|
|
||||||
doFriends(m);
|
|
||||||
LANdiscovery(m);
|
|
||||||
>>>>>>> upstream/master
|
|
||||||
}
|
|
||||||
|
|
||||||
/* returns the size of the messenger data (for saving) */
|
|
||||||
uint32_t Messenger_size(Messenger *m)
|
|
||||||
{
|
|
||||||
return crypto_box_PUBLICKEYBYTES + crypto_box_SECRETKEYBYTES
|
|
||||||
+ sizeof(uint32_t) + DHT_size() + sizeof(uint32_t) + sizeof(Friend) * m->numfriends;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* save the messenger in data of size Messenger_size() */
|
|
||||||
void Messenger_save(Messenger *m, uint8_t *data)
|
|
||||||
{
|
|
||||||
save_keys(data);
|
|
||||||
data += crypto_box_PUBLICKEYBYTES + crypto_box_SECRETKEYBYTES;
|
|
||||||
uint32_t size = DHT_size();
|
|
||||||
memcpy(data, &size, sizeof(size));
|
|
||||||
data += sizeof(size);
|
|
||||||
DHT_save(data);
|
|
||||||
data += size;
|
|
||||||
size = sizeof(Friend) * m->numfriends;
|
|
||||||
memcpy(data, &size, sizeof(size));
|
|
||||||
data += sizeof(size);
|
|
||||||
memcpy(data, m->friendlist, sizeof(Friend) * m->numfriends);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* load the messenger from data of size length. */
|
|
||||||
int Messenger_load(Messenger *m, uint8_t * data, uint32_t length)
|
|
||||||
{
|
|
||||||
if (length == ~0)
|
|
||||||
return -1;
|
|
||||||
if (length < crypto_box_PUBLICKEYBYTES + crypto_box_SECRETKEYBYTES + sizeof(uint32_t) * 2)
|
|
||||||
return -1;
|
|
||||||
length -= crypto_box_PUBLICKEYBYTES + crypto_box_SECRETKEYBYTES + sizeof(uint32_t) * 2;
|
|
||||||
load_keys(data);
|
|
||||||
data += crypto_box_PUBLICKEYBYTES + crypto_box_SECRETKEYBYTES;
|
|
||||||
uint32_t size;
|
|
||||||
memcpy(&size, data, sizeof(size));
|
|
||||||
data += sizeof(size);
|
|
||||||
|
|
||||||
if (length < size)
|
|
||||||
return -1;
|
|
||||||
length -= size;
|
|
||||||
if (DHT_load(data, size) == -1)
|
|
||||||
return -1;
|
|
||||||
data += size;
|
|
||||||
memcpy(&size, data, sizeof(size));
|
|
||||||
data += sizeof(size);
|
|
||||||
if (length != size || length % sizeof(Friend) != 0)
|
|
||||||
return -1;
|
|
||||||
|
|
||||||
Friend * temp = malloc(size);
|
|
||||||
memcpy(temp, data, size);
|
|
||||||
|
|
||||||
uint16_t num = size / sizeof(Friend);
|
|
||||||
|
|
||||||
uint32_t i;
|
|
||||||
for (i = 0; i < num; ++i) {
|
|
||||||
if(temp[i].status != 0) {
|
|
||||||
int fnum = m_addfriend_norequest(m, temp[i].client_id);
|
|
||||||
setfriendname(m, fnum, temp[i].name);
|
|
||||||
/* set_friend_statusmessage(fnum, temp[i].statusmessage, temp[i].statusmessage_length); */
|
|
||||||
}
|
|
||||||
}
|
|
||||||
free(temp);
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
Loading…
Reference in New Issue
Block a user