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/* SPDX-License-Identifier: GPL-3.0-or-later
* Copyright © 2016-2022 The TokTok team.
* Copyright © 2013 Tox project.
*/
/**
* The Tox private API (for tests).
*/
#include "tox_private.h"
#include <assert.h>
#include "DHT.h"
#include "attributes.h"
#include "ccompat.h"
#include "crypto_core.h"
#include "group_chats.h"
#include "group_common.h"
#include "mem.h"
#include "net_crypto.h"
#include "network.h"
#include "tox.h"
#include "tox_struct.h"
#define SET_ERROR_PARAMETER(param, x) \
do { \
if (param != nullptr) { \
*param = x; \
} \
} while (0)
Tox_System tox_default_system(void)
{
const Tox_System sys = {
nullptr, // mono_time_callback
nullptr, // mono_time_user_data
os_random(),
os_network(),
os_memory(),
};
return sys;
}
void tox_lock(const Tox *tox)
{
if (tox->mutex != nullptr) {
pthread_mutex_lock(tox->mutex);
}
}
void tox_unlock(const Tox *tox)
{
if (tox->mutex != nullptr) {
pthread_mutex_unlock(tox->mutex);
}
}
void tox_callback_friend_lossy_packet_per_pktid(Tox *tox, tox_friend_lossy_packet_cb *callback, uint8_t pktid)
{
assert(tox != nullptr);
if (pktid >= PACKET_ID_RANGE_LOSSY_START && pktid <= PACKET_ID_RANGE_LOSSY_END) {
tox->friend_lossy_packet_callback_per_pktid[pktid] = callback;
}
}
void tox_callback_friend_lossless_packet_per_pktid(Tox *tox, tox_friend_lossless_packet_cb *callback, uint8_t pktid)
{
assert(tox != nullptr);
if ((pktid >= PACKET_ID_RANGE_LOSSLESS_CUSTOM_START && pktid <= PACKET_ID_RANGE_LOSSLESS_CUSTOM_END)
|| pktid == PACKET_ID_MSI) {
tox->friend_lossless_packet_callback_per_pktid[pktid] = callback;
}
}
void tox_set_av_object(Tox *tox, void *object)
{
assert(tox != nullptr);
tox_lock(tox);
tox->toxav_object = object;
tox_unlock(tox);
}
void *tox_get_av_object(const Tox *tox)
{
assert(tox != nullptr);
tox_lock(tox);
void *object = tox->toxav_object;
tox_unlock(tox);
return object;
}
void tox_callback_dht_get_nodes_response(Tox *tox, tox_dht_get_nodes_response_cb *callback)
{
assert(tox != nullptr);
tox->dht_get_nodes_response_callback = callback;
}
bool tox_dht_get_nodes(const Tox *tox, const uint8_t *public_key, const char *ip, uint16_t port,
const uint8_t *target_public_key, Tox_Err_Dht_Get_Nodes *error)
{
assert(tox != nullptr);
tox_lock(tox);
if (tox->m->options.udp_disabled) {
SET_ERROR_PARAMETER(error, TOX_ERR_DHT_GET_NODES_UDP_DISABLED);
tox_unlock(tox);
return false;
}
if (public_key == nullptr || ip == nullptr || target_public_key == nullptr) {
SET_ERROR_PARAMETER(error, TOX_ERR_DHT_GET_NODES_NULL);
tox_unlock(tox);
return false;
}
if (port == 0) {
SET_ERROR_PARAMETER(error, TOX_ERR_DHT_GET_NODES_BAD_PORT);
tox_unlock(tox);
return false;
}
IP_Port *root;
const int32_t count = net_getipport(tox->sys.mem, ip, &root, TOX_SOCK_DGRAM);
if (count < 1) {
SET_ERROR_PARAMETER(error, TOX_ERR_DHT_GET_NODES_BAD_IP);
net_freeipport(tox->sys.mem, root);
tox_unlock(tox);
return false;
}
bool success = false;
for (int32_t i = 0; i < count; ++i) {
root[i].port = net_htons(port);
if (dht_getnodes(tox->m->dht, &root[i], public_key, target_public_key)) {
success = true;
}
}
tox_unlock(tox);
net_freeipport(tox->sys.mem, root);
if (!success) {
SET_ERROR_PARAMETER(error, TOX_ERR_DHT_GET_NODES_FAIL);
return false;
}
SET_ERROR_PARAMETER(error, TOX_ERR_DHT_GET_NODES_OK);
return true;
}
uint16_t tox_dht_get_num_closelist(const Tox *tox)
{
tox_lock(tox);
const uint16_t num_total = dht_get_num_closelist(tox->m->dht);
tox_unlock(tox);
return num_total;
}
uint16_t tox_dht_get_num_closelist_announce_capable(const Tox *tox)
{
tox_lock(tox);
const uint16_t num_cap = dht_get_num_closelist_announce_capable(tox->m->dht);
tox_unlock(tox);
return num_cap;
}
size_t tox_group_peer_get_ip_address_size(const Tox *tox, uint32_t group_number, uint32_t peer_id,
Tox_Err_Group_Peer_Query *error)
{
assert(tox != nullptr);
tox_lock(tox);
const GC_Chat *chat = gc_get_group(tox->m->group_handler, group_number);
if (chat == nullptr) {
SET_ERROR_PARAMETER(error, TOX_ERR_GROUP_PEER_QUERY_GROUP_NOT_FOUND);
tox_unlock(tox);
return -1;
}
const int ret = gc_get_peer_ip_address_size(chat, gc_peer_id_from_int(peer_id));
tox_unlock(tox);
if (ret == -1) {
SET_ERROR_PARAMETER(error, TOX_ERR_GROUP_PEER_QUERY_PEER_NOT_FOUND);
return -1;
} else {
SET_ERROR_PARAMETER(error, TOX_ERR_GROUP_PEER_QUERY_OK);
return ret;
}
}
bool tox_group_peer_get_ip_address(const Tox *tox, uint32_t group_number, uint32_t peer_id, uint8_t *ip_addr,
Tox_Err_Group_Peer_Query *error)
{
assert(tox != nullptr);
tox_lock(tox);
const GC_Chat *chat = gc_get_group(tox->m->group_handler, group_number);
if (chat == nullptr) {
SET_ERROR_PARAMETER(error, TOX_ERR_GROUP_PEER_QUERY_GROUP_NOT_FOUND);
tox_unlock(tox);
return false;
}
const int ret = gc_get_peer_ip_address(chat, gc_peer_id_from_int(peer_id), ip_addr);
tox_unlock(tox);
if (ret == -1) {
SET_ERROR_PARAMETER(error, TOX_ERR_GROUP_PEER_QUERY_PEER_NOT_FOUND);
return false;
}
SET_ERROR_PARAMETER(error, TOX_ERR_GROUP_PEER_QUERY_OK);
return true;
}
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