1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
#pragma once
#include "pch.h"
#include "bansystem.h"
#include "serverauthentication.h"
#include "core/convar/concommand.h"
#include "server/r2server.h"
#include "engine/r2engine.h"
#include "config/profile.h"
#include <filesystem>
const char* BANLIST_PATH_SUFFIX = "/banlist.txt";
const char BANLIST_COMMENT_CHAR = '#';
ServerBanSystem* g_pBanSystem;
void ServerBanSystem::OpenBanlist()
{
std::ifstream banlistStream(GetNorthstarPrefix() + "/banlist.txt");
if (!banlistStream.fail())
{
std::string line;
while (std::getline(banlistStream, line))
{
// ignore line if first char is # or line is empty
if (line == "" || line.front() == BANLIST_COMMENT_CHAR)
continue;
// remove tabs which shouldnt be there but maybe someone did the funny
line.erase(std::remove(line.begin(), line.end(), '\t'), line.end());
// remove spaces to allow for spaces before uids
line.erase(std::remove(line.begin(), line.end(), ' '), line.end());
// check if line is empty to allow for newlines in the file
if (line == "")
continue;
// for inline comments like: 123123123 #banned for unfunny
std::string uid = line.substr(0, line.find(BANLIST_COMMENT_CHAR));
m_vBannedUids.push_back(strtoull(uid.c_str(), nullptr, 10));
}
banlistStream.close();
}
// open write stream for banlist // dont do this to allow for all time access
// m_sBanlistStream.open(GetNorthstarPrefix() + "/banlist.txt", std::ofstream::out | std::ofstream::binary | std::ofstream::app);
}
void ServerBanSystem::ReloadBanlist()
{
std::ifstream fsBanlist(GetNorthstarPrefix() + "/banlist.txt");
if (!fsBanlist.fail())
{
std::string line;
// since we wanna use this as the reload func we need to clear the list
m_vBannedUids.clear();
while (std::getline(fsBanlist, line))
m_vBannedUids.push_back(strtoull(line.c_str(), nullptr, 10));
fsBanlist.close();
}
}
void ServerBanSystem::ClearBanlist()
{
m_vBannedUids.clear();
// reopen the file, don't provide std::ofstream::app so it clears on open
m_sBanlistStream.close();
m_sBanlistStream.open(GetNorthstarPrefix() + "/banlist.txt", std::ofstream::out | std::ofstream::binary);
m_sBanlistStream.close();
}
void ServerBanSystem::BanUID(uint64_t uid)
{
// checking if last char is \n to make sure uids arent getting fucked
std::ifstream fsBanlist(GetNorthstarPrefix() + "/banlist.txt");
std::string content((std::istreambuf_iterator<char>(fsBanlist)), (std::istreambuf_iterator<char>()));
fsBanlist.close();
m_sBanlistStream.open(GetNorthstarPrefix() + "/banlist.txt", std::ofstream::out | std::ofstream::binary | std::ofstream::app);
if (content.back() != '\n')
m_sBanlistStream << std::endl;
m_vBannedUids.push_back(uid);
m_sBanlistStream << std::to_string(uid) << std::endl;
m_sBanlistStream.close();
spdlog::info("{} was banned", uid);
}
void ServerBanSystem::UnbanUID(uint64_t uid)
{
auto findResult = std::find(m_vBannedUids.begin(), m_vBannedUids.end(), uid);
if (findResult == m_vBannedUids.end())
return;
m_vBannedUids.erase(findResult);
std::vector<std::string> banlistText;
std::ifstream fs_readBanlist(GetNorthstarPrefix() + "/banlist.txt");
if (!fs_readBanlist.fail())
{
std::string line;
while (std::getline(fs_readBanlist, line))
{
// support for comments and newlines added in https://github.com/R2Northstar/NorthstarLauncher/pull/227
std::string modLine = line; // copy the line into a free var that we can fuck with, line will be the original
// remove tabs which shouldnt be there but maybe someone did the funny
modLine.erase(std::remove(modLine.begin(), modLine.end(), '\t'), modLine.end());
// remove spaces to allow for spaces before uids
modLine.erase(std::remove(modLine.begin(), modLine.end(), ' '), modLine.end());
// ignore line if first char is # or empty line, just add it
if (line.front() == BANLIST_COMMENT_CHAR || modLine == "")
{
banlistText.push_back(line);
continue;
}
// for inline comments like: 123123123 #banned for unfunny
std::string lineUid = line.substr(0, line.find(BANLIST_COMMENT_CHAR));
// have to erase spaces or else inline comments will fuck up the uid finding
lineUid.erase(std::remove(lineUid.begin(), lineUid.end(), '\t'), lineUid.end());
lineUid.erase(std::remove(lineUid.begin(), lineUid.end(), ' '), lineUid.end());
// if the uid in the line is the uid we wanna unban
if (std::to_string(uid) == lineUid)
{
// comment the uid out
line.insert(0, "# ");
// add a comment with unban date
// not necessary but i feel like this makes it better
std::time_t t = std::time(0);
std::tm* now = std::localtime(&t);
std::ostringstream unbanComment;
//{y}/{m}/{d} {h}:{m}
unbanComment << " # unban date: ";
unbanComment << now->tm_year + 1900 << "-"; // this lib is so fucking awful
unbanComment << std::setw(2) << std::setfill('0') << now->tm_mon + 1 << "-";
unbanComment << std::setw(2) << std::setfill('0') << now->tm_mday << " ";
unbanComment << std::setw(2) << std::setfill('0') << now->tm_hour << ":";
unbanComment << std::setw(2) << std::setfill('0') << now->tm_min;
line.append(unbanComment.str());
}
banlistText.push_back(line);
}
fs_readBanlist.close();
}
// open write stream for banlist // without append so we clear the file
if (m_sBanlistStream.is_open())
m_sBanlistStream.close();
m_sBanlistStream.open(GetNorthstarPrefix() + "/banlist.txt", std::ofstream::out | std::ofstream::binary);
for (std::string updatedLine : banlistText)
m_sBanlistStream << updatedLine << std::endl;
m_sBanlistStream.close();
spdlog::info("{} was unbanned", uid);
}
bool ServerBanSystem::IsUIDAllowed(uint64_t uid)
{
ReloadBanlist(); // Reload to have up to date list on join
return std::find(m_vBannedUids.begin(), m_vBannedUids.end(), uid) == m_vBannedUids.end();
}
void ConCommand_ban(const CCommand& args)
{
if (args.ArgC() < 2)
return;
for (int i = 0; i < R2::g_pGlobals->m_nMaxClients; i++)
{
R2::CBaseClient* player = &R2::g_pClientArray[i];
if (!strcmp(player->m_Name, args.Arg(1)) || !strcmp(player->m_UID, args.Arg(1)))
{
g_pBanSystem->BanUID(strtoull(player->m_UID, nullptr, 10));
R2::CBaseClient__Disconnect(player, 1, "Banned from server");
break;
}
}
}
void ConCommand_unban(const CCommand& args)
{
if (args.ArgC() < 2)
return;
// assumedly the player being unbanned here wasn't already connected, so don't need to iterate over players or anything
g_pBanSystem->UnbanUID(strtoull(args.Arg(1), nullptr, 10));
}
void ConCommand_clearbanlist(const CCommand& args)
{
g_pBanSystem->ClearBanlist();
}
ON_DLL_LOAD_RELIESON("engine.dll", BanSystem, ConCommand, (CModule module))
{
g_pBanSystem = new ServerBanSystem;
g_pBanSystem->OpenBanlist();
RegisterConCommand("ban", ConCommand_ban, "bans a given player by uid or name", FCVAR_GAMEDLL);
RegisterConCommand("unban", ConCommand_unban, "unbans a given player by uid", FCVAR_GAMEDLL);
RegisterConCommand("clearbanlist", ConCommand_clearbanlist, "clears all uids on the banlist", FCVAR_GAMEDLL);
}
|
