|
|
1
|
#include "check_csgo.h"
|
|
|
2
|
#include <vector>
|
|
|
3
4
5
6
7
|
using namespace std;
char *servicename = (char*)"CS:GO";
|
|
|
8
9
|
void printVersion() {
cout << "check_csgo v" << VERSION << endl << endl;
|
|
|
10
11
|
}
|
|
|
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
void printHelp(bool longVersion) {
if(longVersion) {
printVersion();
cout << "Check CS:GO DS instance." << endl << endl;
printHelp(false);
cout << "Options:" << endl;
cout << " -h" << endl;
cout << " Print detailed help screen" << endl;
cout << " -V" << endl;
cout << " Print version information" << endl;
cout << " -H HOSTADDRESS" << endl;
cout << " Host where the Source DS is running" << endl;
cout << " -p" << endl;
cout << " Port where the Source DS is listening. Default is 27015." << endl << endl;
return;
}
cout << "Usage: " << endl << "check_csgo [-hV] -H HOSTADDRESS [-p PORT]" << endl << endl;
|
|
|
29
30
|
}
|
|
|
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
SOURCEDS_PACKET* getSourceDSResponse(int s, sockaddr_in *server) {
char *data = new char[DATAGRAM_LENGTH];
int dataLength = recvMsg(s, data, DATAGRAM_LENGTH, server);
if(dataLength == -1) {
return NULL;
}
char *header = (char*) "\xFF\xFF\xFF\xFF";
if(memcmp(data,header,HDR_SIZE)) {
//Invalid response, or non-supported multi-packet response format
return NULL;
}
SOURCEDS_PACKET *response = new SOURCEDS_PACKET;
response->data = data+HDR_SIZE;
response->length = dataLength;
return response;
|
|
|
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
|
int check_csgo(char *hostname, uint16_t port, SERVERINFO *server_info) {
struct sockaddr_in si;
struct hostent *host = NULL;
int s;
int timeout = 10;
setupSocket(port,hostname,host,timeout,&si,&s);
string discard;
std::vector<uint8_t> info_query;
info_query.resize(25);
memcpy(info_query.data(), "\xFF\xFF\xFF\xFF\x54Source Engine Query\x00", 25);
sendMsg(s, reinterpret_cast<char*>(info_query.data()), info_query.size(), &si);
SOURCEDS_PACKET *response = getSourceDSResponse(s,&si);
if(response == NULL) {
return 2;
}
if(response->data[0] == 'A') {
// Challenge response mechanism
uint32_t challenge;
size_t current_pkt_size = info_query.size();
info_query.resize(current_pkt_size + 4);
memcpy(info_query.data() + current_pkt_size, response->data+1, 4);
|
|
|
72
73
74
|
delete[] (response->data-HDR_SIZE);
delete response;
|
|
|
75
76
77
78
|
sendMsg(s, reinterpret_cast<char*>(info_query.data()), info_query.size(), &si);
response = getSourceDSResponse(s, &si);
if(response == NULL) {
return 2;
|
|
|
79
|
}
|
|
|
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
}
ssize_t offset = 2;
server_info->name = string(response->data+offset,strlen(response->data+offset));
offset += server_info->name.size()+1;
server_info->map = string(response->data+offset,strlen(response->data+offset));
offset += server_info->map.size()+1;
discard = string(response->data+offset,strlen(response->data+offset));
offset += discard.size() + 1;
server_info->game = string(response->data+offset,strlen(response->data+offset));
offset += server_info->game.size()+1;
offset += 2;
server_info->players = (uint8_t) *((response->data)+offset);
server_info->max_players = (uint8_t) *((response->data)+(++offset));
delete[] (response->data-HDR_SIZE);
delete response;
if(server_info->players == server_info->max_players) {
return 1;
}
return 0;
|
|
|
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
|
int main(int argc, char **argv) {
struct itimerval timer;
timer.it_value.tv_sec = 10;
timer.it_value.tv_usec = 0;
timer.it_interval.tv_sec = 0;
timer.it_interval.tv_usec = 0;
setitimer (ITIMER_VIRTUAL, &timer, 0);
struct sigaction sa;
memset (&sa, 0, sizeof (sa));
sa.sa_handler = &timer_handler;
sigaction (SIGVTALRM, &sa, 0);
uint16_t port = 27015;
char *hostname = NULL;
int c;
while ((c = getopt (argc, argv, "H:p:Vh")) != -1) {
switch(c) {
case 'H':
hostname = optarg;
break;
case 'p':
port = (uint16_t) str2int(optarg);
break;
case 'V':
printVersion();
return 0;
case 'h':
printHelp(true);
return 0;
case '?':
printHelp(false);
return 3;
}
}
if(hostname == NULL) {
cout << "No HOSTADDRESS specified. Exiting." << endl;
return 3;
}
SERVERINFO server_info;
int returnCode = check_csgo(hostname,port,&server_info);
cout << servicename;
switch(returnCode) {
case 0:
cout << " OK";
cout << " - " << hostname << " " << server_info.name << " " << server_info.game << " " << server_info.map
<< " " << (int)server_info.players << "/" << (int)server_info.max_players << " players" << endl ;
break;
case 1:
cout << " WARNING - Server is full";
break;
case 2:
cout << " CRITICAL - No response";
break;
}
return returnCode;
|
|
|
166
|
}
|
