#include <sstream>
#include <IFileSystem.h>
#include "jthread/jmutexautolock.h"
+#include "util/auth.h"
#include "util/directiontables.h"
#include "util/pointedthing.h"
#include "util/serialize.h"
#include "util/string.h"
+#include "util/srp.h"
#include "client.h"
#include "network/clientopcodes.h"
-#include "main.h"
#include "filesys.h"
#include "porting.h"
#include "mapblock_mesh.h"
#include "drawscene.h"
#include "database-sqlite3.h"
#include "serialization.h"
+#include "guiscalingfilter.h"
extern gui::IGUIEnvironment* guienv;
m_highlighted_pos(0,0,0),
m_map_seed(0),
m_password(password),
+ m_chosen_auth_mech(AUTH_MECHANISM_NONE),
+ m_auth_data(NULL),
m_access_denied(false),
m_itemdef_received(false),
m_nodedef_received(false),
if(counter <= 0.0) {
counter = 2.0;
- Player *myplayer = m_env.getLocalPlayer();
+ Player *myplayer = m_env.getLocalPlayer();
FATAL_ERROR_IF(myplayer == NULL, "Local player not found in environment.");
- // Send TOSERVER_INIT
- // [0] u16 TOSERVER_INIT
+ // Send TOSERVER_INIT_LEGACY
+ // [0] u16 TOSERVER_INIT_LEGACY
// [2] u8 SER_FMT_VER_HIGHEST_READ
// [3] u8[20] player_name
// [23] u8[28] password (new in some version)
memset(pName, 0, PLAYERNAME_SIZE * sizeof(char));
memset(pPassword, 0, PASSWORD_SIZE * sizeof(char));
+ std::string hashed_password = translatePassword(myplayer->getName(), m_password);
snprintf(pName, PLAYERNAME_SIZE, "%s", myplayer->getName());
- snprintf(pPassword, PASSWORD_SIZE, "%s", m_password.c_str());
+ snprintf(pPassword, PASSWORD_SIZE, "%s", hashed_password.c_str());
sendLegacyInit(pName, pPassword);
+ if (LATEST_PROTOCOL_VERSION >= 25)
+ sendInit(myplayer->getName());
}
// Not connected, return
void Client::Receive()
{
DSTACK(__FUNCTION_NAME);
- SharedBuffer<u8> data;
- u16 sender_peer_id;
- u32 datasize = m_con.Receive(sender_peer_id, data);
- ProcessData(*data, datasize, sender_peer_id);
+ NetworkPacket pkt;
+ m_con.Receive(&pkt);
+ ProcessData(&pkt);
}
inline void Client::handleCommand(NetworkPacket* pkt)
/*
sender_peer_id given to this shall be quaranteed to be a valid peer
*/
-void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
+void Client::ProcessData(NetworkPacket *pkt)
{
DSTACK(__FUNCTION_NAME);
- // Ignore packets that don't even fit a command
- if(datasize < 2) {
- m_packetcounter.add(60000);
- return;
- }
-
- NetworkPacket pkt(data, datasize, sender_peer_id);
-
- ToClientCommand command = (ToClientCommand) pkt.getCommand();
+ ToClientCommand command = (ToClientCommand) pkt->getCommand();
+ u32 sender_peer_id = pkt->getPeerId();
//infostream<<"Client: received command="<<command<<std::endl;
m_packetcounter.add((u16)command);
* as a byte mask
*/
if(toClientCommandTable[command].state == TOCLIENT_STATE_NOT_CONNECTED) {
- handleCommand(&pkt);
+ handleCommand(pkt);
return;
}
Handle runtime commands
*/
- handleCommand(&pkt);
+ handleCommand(pkt);
}
void Client::Send(NetworkPacket* pkt)
Send(&pkt);
}
+void Client::deleteAuthData()
+{
+ if (!m_auth_data)
+ return;
+
+ switch (m_chosen_auth_mech) {
+ case AUTH_MECHANISM_FIRST_SRP:
+ break;
+ case AUTH_MECHANISM_SRP:
+ case AUTH_MECHANISM_LEGACY_PASSWORD:
+ srp_user_delete((SRPUser *) m_auth_data);
+ m_auth_data = NULL;
+ break;
+ case AUTH_MECHANISM_NONE:
+ break;
+ }
+}
+
+
+AuthMechanism Client::choseAuthMech(const u32 mechs)
+{
+ if (mechs & AUTH_MECHANISM_SRP)
+ return AUTH_MECHANISM_SRP;
+
+ if (mechs & AUTH_MECHANISM_FIRST_SRP)
+ return AUTH_MECHANISM_FIRST_SRP;
+
+ if (mechs & AUTH_MECHANISM_LEGACY_PASSWORD)
+ return AUTH_MECHANISM_LEGACY_PASSWORD;
+
+ return AUTH_MECHANISM_NONE;
+}
+
void Client::sendLegacyInit(const char* playerName, const char* playerPassword)
{
NetworkPacket pkt(TOSERVER_INIT_LEGACY,
Send(&pkt);
}
+void Client::sendInit(const std::string &playerName)
+{
+ NetworkPacket pkt(TOSERVER_INIT, 1 + 2 + 2 + (1 + playerName.size()));
+
+ // we don't support network compression yet
+ u16 supp_comp_modes = NETPROTO_COMPRESSION_NONE;
+ pkt << (u8) SER_FMT_VER_HIGHEST_READ << (u16) supp_comp_modes;
+ pkt << (u16) CLIENT_PROTOCOL_VERSION_MIN << (u16) CLIENT_PROTOCOL_VERSION_MAX;
+ pkt << playerName;
+
+ Send(&pkt);
+}
+
+void Client::startAuth(AuthMechanism chosen_auth_mechanism)
+{
+ m_chosen_auth_mech = chosen_auth_mechanism;
+
+ switch (chosen_auth_mechanism) {
+ case AUTH_MECHANISM_FIRST_SRP: {
+ // send srp verifier to server
+ NetworkPacket resp_pkt(TOSERVER_FIRST_SRP, 0);
+ char *salt, *bytes_v;
+ std::size_t len_salt, len_v;
+ salt = NULL;
+ getSRPVerifier(getPlayerName(), m_password,
+ &salt, &len_salt, &bytes_v, &len_v);
+ resp_pkt
+ << std::string((char*)salt, len_salt)
+ << std::string((char*)bytes_v, len_v)
+ << (u8)((m_password == "") ? 1 : 0);
+ free(salt);
+ free(bytes_v);
+ Send(&resp_pkt);
+ break;
+ }
+ case AUTH_MECHANISM_SRP:
+ case AUTH_MECHANISM_LEGACY_PASSWORD: {
+ u8 based_on = 1;
+
+ if (chosen_auth_mechanism == AUTH_MECHANISM_LEGACY_PASSWORD) {
+ m_password = translatePassword(getPlayerName(), m_password);
+ based_on = 0;
+ }
+
+ std::string playername_u = lowercase(getPlayerName());
+ m_auth_data = srp_user_new(SRP_SHA256, SRP_NG_2048,
+ getPlayerName().c_str(), playername_u.c_str(),
+ (const unsigned char *) m_password.c_str(),
+ m_password.length(), NULL, NULL);
+ char *bytes_A = 0;
+ size_t len_A = 0;
+ srp_user_start_authentication((struct SRPUser *) m_auth_data,
+ NULL, NULL, 0, (unsigned char **) &bytes_A, &len_A);
+
+ NetworkPacket resp_pkt(TOSERVER_SRP_BYTES_A, 0);
+ resp_pkt << std::string(bytes_A, len_A) << based_on;
+ free(bytes_A);
+ Send(&resp_pkt);
+ break;
+ }
+ case AUTH_MECHANISM_NONE:
+ break; // not handled in this method
+ }
+}
+
void Client::sendDeletedBlocks(std::vector<v3s16> &blocks)
{
NetworkPacket pkt(TOSERVER_DELETEDBLOCKS, 1 + sizeof(v3s16) * blocks.size());
Send(&pkt);
}
-void Client::sendChangePassword(const std::wstring &oldpassword,
- const std::wstring &newpassword)
+void Client::sendChangePassword(const std::string &oldpassword,
+ const std::string &newpassword)
{
Player *player = m_env.getLocalPlayer();
- if(player == NULL)
+ if (player == NULL)
return;
std::string playername = player->getName();
- std::string oldpwd = translatePassword(playername, oldpassword);
- std::string newpwd = translatePassword(playername, newpassword);
-
- NetworkPacket pkt(TOSERVER_PASSWORD_LEGACY, 2 * PASSWORD_SIZE);
-
- for(u8 i = 0; i < PASSWORD_SIZE; i++) {
- pkt << (u8) (i < oldpwd.length() ? oldpwd[i] : 0);
- }
+ if (m_proto_ver >= 25) {
+ // get into sudo mode and then send new password to server
+ m_password = oldpassword;
+ m_new_password = newpassword;
+ startAuth(choseAuthMech(m_sudo_auth_methods));
+ } else {
+ std::string oldpwd = translatePassword(playername, oldpassword);
+ std::string newpwd = translatePassword(playername, newpassword);
+
+ NetworkPacket pkt(TOSERVER_PASSWORD_LEGACY, 2 * PASSWORD_SIZE);
+
+ for (u8 i = 0; i < PASSWORD_SIZE; i++) {
+ pkt << (u8) (i < oldpwd.length() ? oldpwd[i] : 0);
+ }
- for(u8 i = 0; i < PASSWORD_SIZE; i++) {
- pkt << (u8) (i < newpwd.length() ? newpwd[i] : 0);
+ for (u8 i = 0; i < PASSWORD_SIZE; i++) {
+ pkt << (u8) (i < newpwd.length() ? newpwd[i] : 0);
+ }
+ Send(&pkt);
}
-
- Send(&pkt);
}
DSTACK(__FUNCTION_NAME);
NetworkPacket pkt(TOSERVER_CLIENT_READY,
- 1 + 1 + 1 + 1 + 2 + sizeof(char) * strlen(minetest_version_hash));
+ 1 + 1 + 1 + 1 + 2 + sizeof(char) * strlen(g_version_hash));
- pkt << (u8) VERSION_MAJOR << (u8) VERSION_MINOR << (u8) VERSION_PATCH_ORIG
- << (u8) 0 << (u16) strlen(minetest_version_hash);
+ pkt << (u8) VERSION_MAJOR << (u8) VERSION_MINOR << (u8) VERSION_PATCH
+ << (u8) 0 << (u16) strlen(g_version_hash);
- pkt.putRawString(minetest_version_hash, (u16) strlen(minetest_version_hash));
+ pkt.putRawString(g_version_hash, (u16) strlen(g_version_hash));
Send(&pkt);
}
const wchar_t* text = wgettext("Loading textures...");
+ // Clear cached pre-scaled 2D GUI images, as this cache
+ // might have images with the same name but different
+ // content from previous sessions.
+ guiScalingCacheClear(device->getVideoDriver());
+
// Rebuild inherited images and recreate textures
infostream<<"- Rebuilding images and textures"<<std::endl;
draw_load_screen(text,device, guienv, 0, 70);
draw_load_screen(text, device, guienv, 0, 72);
m_nodedef->updateAliases(m_itemdef);
m_nodedef->setNodeRegistrationStatus(true);
- m_nodedef->runNodeResolverCallbacks();
+ m_nodedef->runNodeResolveCallbacks();
delete[] text;
// Update node textures and assign shaders to each tile
{
irr::video::IVideoDriver *driver = device->getVideoDriver();
irr::video::IImage* const raw_image = driver->createScreenShot();
- if (raw_image) {
- irr::video::IImage* const image = driver->createImage(video::ECF_R8G8B8,
- raw_image->getDimension());
+
+ if (!raw_image)
+ return;
+
+ time_t t = time(NULL);
+ struct tm *tm = localtime(&t);
+
+ char timetstamp_c[64];
+ strftime(timetstamp_c, sizeof(timetstamp_c), "%Y%m%d_%H%M%S", tm);
+
+ std::string filename_base = g_settings->get("screenshot_path")
+ + DIR_DELIM
+ + std::string("screenshot_")
+ + std::string(timetstamp_c);
+ std::string filename_ext = ".png";
+ std::string filename;
+
+ // Try to find a unique filename
+ unsigned serial = 0;
+
+ while (serial < SCREENSHOT_MAX_SERIAL_TRIES) {
+ filename = filename_base + (serial > 0 ? ("_" + itos(serial)) : "") + filename_ext;
+ std::ifstream tmp(filename.c_str());
+ if (!tmp.good())
+ break; // File did not apparently exist, we'll go with it
+ serial++;
+ }
+
+ if (serial == SCREENSHOT_MAX_SERIAL_TRIES) {
+ infostream << "Could not find suitable filename for screenshot" << std::endl;
+ } else {
+ irr::video::IImage* const image =
+ driver->createImage(video::ECF_R8G8B8, raw_image->getDimension());
if (image) {
raw_image->copyTo(image);
- irr::c8 filename[256];
- snprintf(filename, sizeof(filename),
- (std::string("%s") + DIR_DELIM + "screenshot_%u.png").c_str(),
- g_settings->get("screenshot_path").c_str(),
- device->getTimer()->getRealTime());
+
std::ostringstream sstr;
- if (driver->writeImageToFile(image, filename)) {
+ if (driver->writeImageToFile(image, filename.c_str())) {
sstr << "Saved screenshot to '" << filename << "'";
} else {
sstr << "Failed to save screenshot '" << filename << "'";
infostream << sstr.str() << std::endl;
image->drop();
}
- raw_image->drop();
}
+
+ raw_image->drop();
}
// IGameDef interface