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Add Whitelist Support And "Show FPS Monitor" Feature Flag

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This commit is contained in:
TheBrokenRail 2021-03-06 15:56:05 -05:00
parent 9efaf5ec42
commit 352c9de936
3 changed files with 54 additions and 30 deletions
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1
debian/client/common/usr/share/minecraft-pi/client/features vendored
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@ -14,3 +14,4 @@ TRUE 'Remove Invalid Item Background'
TRUE 'Disable gui_blocks Atlas'
TRUE 'Smooth Lighting'
FALSE '3D Anaglyph'
FALSE 'Show FPS Monitor'

6
mods/src/misc/misc.c
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@ -1,3 +1,4 @@
#include <stdlib.h>
#include <string.h>
#include <libreborn/libreborn.h>
@ -83,6 +84,11 @@ void init_misc() {
// Sanitize Username
patch_address(LoginPacket_read_vtable_addr, (void *) LoginPacket_read_injection);
// Show FPS Monitor
if (feature_has("Show FPS Monitor")) {
setenv("GALLIUM_HUD", "simple,fps", 1);
}
// Init C++
init_misc_cpp();
}

75
mods/src/server/server.cpp
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@ -38,6 +38,7 @@ static ServerProperties &get_server_properties() {
#define DEFAULT_PEACEFUL_MODE "false"
#define DEFAULT_WORLD_NAME "world"
#define DEFAULT_MAX_PLAYERS "4"
#define DEFAULT_WHITELIST "false"
// Read STDIN Thread
static volatile bool stdin_buffer_complete = false;
@ -134,9 +135,14 @@ static void print_progress(unsigned char *minecraft) {
}
}
static std::string get_banned_ips_file() {
// Check If Running In Whitelist Mode
static bool is_whitelist() {
return get_server_properties().get_bool("whitelist", DEFAULT_WHITELIST);
}
// Get Path Of Blacklist (Or Whitelist) File
static std::string get_blacklist_file() {
std::string file(getenv("HOME"));
file.append("/.minecraft-pi/banned-ips.txt");
file.append(is_whitelist() ? "/.minecraft-pi/whitelist.txt" : "/.minecraft-pi/blacklist.txt");
return file;
}
@ -210,13 +216,13 @@ static void ban_callback(unsigned char *minecraft, std::string username, unsigne
// Ban Player
INFO("Banned: %s (%s)", username.c_str(), ip);
// Write To File
std::ofstream banned_ips_output(get_banned_ips_file(), std::ios_base::app);
if (banned_ips_output) {
if (banned_ips_output.good()) {
banned_ips_output << ip <<'\n';
std::ofstream blacklist_output(get_blacklist_file(), std::ios_base::app);
if (blacklist_output) {
if (blacklist_output.good()) {
blacklist_output << "# " << username << '\n' << ip << '\n';
}
if (banned_ips_output.is_open()) {
banned_ips_output.close();
if (blacklist_output.is_open()) {
blacklist_output.close();
}
}
}
@ -284,7 +290,7 @@ static void handle_commands(unsigned char *minecraft) {
static std::string list_command("list");
static std::string stop_command("stop");
static std::string help_command("help");
if (data.rfind(ban_command, 0) == 0) {
if (!is_whitelist() && data.rfind(ban_command, 0) == 0) {
// IP-Ban Target Username
std::string ban_username = data.substr(ban_command.length());
find_players(minecraft, ban_username, ban_callback, false);
@ -306,7 +312,9 @@ static void handle_commands(unsigned char *minecraft) {
exit_handler(-1);
} else if (data == help_command) {
INFO("%s", "All Commands:");
if (!is_whitelist()) {
INFO("%s", " ban <Username> - IP-Ban All Players With Specifed Username");
}
INFO("%s", " kill <Username> - Kill All Players With Specifed Username");
INFO("%s", " say <Message> - Print Specified Message To Chat");
INFO("%s", " list - List All Players");
@ -348,13 +356,13 @@ static void Minecraft_update_injection(unsigned char *minecraft) {
static bool RakNet_RakPeer_IsBanned_injection(__attribute__((unused)) unsigned char *rakpeer, const char *ip) {
// Check banned-ips.txt
std::string banned_ips_file_path = get_banned_ips_file();
std::ifstream banned_ips_file(banned_ips_file_path);
if (banned_ips_file) {
std::string blacklist_file_path = get_blacklist_file();
std::ifstream blacklist_file(blacklist_file_path);
if (blacklist_file) {
bool ret = false;
if (banned_ips_file.good()) {
if (blacklist_file.good()) {
std::string line;
while (std::getline(banned_ips_file, line)) {
while (std::getline(blacklist_file, line)) {
if (line.length() > 0) {
if (line[0] == '#') {
continue;
@ -366,20 +374,26 @@ static bool RakNet_RakPeer_IsBanned_injection(__attribute__((unused)) unsigned c
}
}
}
if (banned_ips_file.is_open()) {
banned_ips_file.close();
if (blacklist_file.is_open()) {
blacklist_file.close();
}
return ret;
if (is_whitelist()) {
return !ret;
} else {
ERR("%s", "Unable To Read banned-ips.txt");
return ret;
}
} else {
ERR("%s", "Unable To Read Blacklist/Whitelist");
}
}
// Get MOTD
static std::string get_motd() {
std::string motd(get_server_properties().get_string("motd", DEFAULT_MOTD));
return motd;
}
// Get Feature Flags
static bool loaded_features = false;
static const char *get_features() {
static std::string features;
@ -397,6 +411,7 @@ static const char *get_features() {
return features.c_str();
}
// Get Max Players
static unsigned char get_max_players() {
int val = get_server_properties().get_int("max-players", DEFAULT_MAX_PLAYERS);
if (val < 0) {
@ -436,31 +451,33 @@ static void server_init() {
properties_file_output << "world-name=" DEFAULT_WORLD_NAME "\n";
properties_file_output << "# Maximum Player Count\n";
properties_file_output << "max-players=" DEFAULT_MAX_PLAYERS "\n";
properties_file_output << "# Enable Whitelist\n";
properties_file_output << "whitelist=" DEFAULT_WHITELIST "\n";
properties_file_output.close();
// Re-Open File
properties_file = std::ifstream(file);
}
// Open Properties File
if (!properties_file.is_open()) {
ERR("%s", "Unable To Open server.properties");
}
// Load Properties
get_server_properties().load(properties_file);
// Close Properties File
properties_file.close();
// Create Empty Banned IPs File
std::string banned_ips_file_path = get_banned_ips_file();
std::ifstream banned_ips_file(banned_ips_file_path);
if (!banned_ips_file || !banned_ips_file.good()) {
// Create Empty Blacklist/Whitelist File
std::string blacklist_file_path = get_blacklist_file();
std::ifstream blacklist_file(blacklist_file_path);
if (!blacklist_file || !blacklist_file.good()) {
// Write Default
std::ofstream banned_ips_output(banned_ips_file_path);
banned_ips_output << "# List Of Banned IPs; Each Line Is One IP Address\n";
banned_ips_output.close();
std::ofstream blacklist_output(blacklist_file_path);
blacklist_output << "# Blacklist/Whitelist; Each Line Is One IP Address\n";
blacklist_output.close();
}
if (banned_ips_file.is_open()) {
banned_ips_file.close();
if (blacklist_file.is_open()) {
blacklist_file.close();
}
// Prevent Main Player From Loading