/* 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();
set_nospam(random_int());
send_LANdiscovery(htons(PORT));
timer_single(&LANdiscovery, 0, LAN_DISCOVERY_INTERVAL);
return m;
}
/* run this at startup */
Messenger *initMessenger(void)
{
Messenger *m = calloc(1, sizeof(Messenger));
if ( ! m )
return NULL;
IP ip;
ip.i = 0;
m->net = new_networking(ip, PORT);
if (m->net == NULL) {
free(m);
return NULL;
}
m->net_crypto = new_net_crypto(m->net);
if (m->net_crypto == NULL) {
kill_networking(m->net);
free(m);
return NULL;
}
m->dht = new_DHT(m->net_crypto);
if (m->dht == NULL) {
kill_net_crypto(m->net_crypto);
kill_networking(m->net);
free(m);
return NULL;
}
new_keys(m->net_crypto);
m_set_statusmessage(m, (uint8_t *)"Online", sizeof("Online"));
friendreq_init(&(m->fr), m->net_crypto);
LANdiscovery_init(m->dht);
set_nospam(&(m->fr), random_int());
init_cryptopackets(m->dht);
return m;
}
void tox_set_nospam(Tox *tox, uint32_t nospam)
{
Messenger *m = tox;
set_nospam(&(m->fr), nospam);
}
/* 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) * 3)
return -1;
length -= crypto_box_PUBLICKEYBYTES + crypto_box_SECRETKEYBYTES + sizeof(uint32_t) * 3;
load_keys(data);
data += crypto_box_PUBLICKEYBYTES + crypto_box_SECRETKEYBYTES;
uint32_t nospam;
memcpy(&nospam, data, sizeof(nospam));
set_nospam(nospam);
data += sizeof(nospam);
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 || size % 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 >= 3) {
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); */
} else if (temp[i].status != 0) {
/* TODO: this is not a good way to do this. */
uint8_t address[FRIEND_ADDRESS_SIZE];
memcpy(address, temp[i].client_id, crypto_box_PUBLICKEYBYTES);
memcpy(address + crypto_box_PUBLICKEYBYTES, &(temp[i].friendrequest_nospam), sizeof(uint32_t));
uint16_t checksum = address_checksum(address, FRIEND_ADDRESS_SIZE - sizeof(checksum));
memcpy(address + crypto_box_PUBLICKEYBYTES + sizeof(uint32_t), &checksum, sizeof(checksum));
m_addfriend(m, address, temp[i].info, temp[i].info_size);
}
}
free(temp);
data += size;
length -= size;
uint16_t small_size;
if (length < sizeof(small_size))
return -1;
memcpy(&small_size, data, sizeof(small_size));
data += sizeof(small_size);
length -= sizeof(small_size);
if (length != small_size)
return -1;
setname(m, data, small_size);
return 0;
}