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
|
require("../common");
var dns = require("dns"),
child_process = require("child_process"),
sys = require("sys");
// Try resolution without callback
assert.throws(function () {
dns.resolve('google.com', 'A');
});
assert.throws(function () {
dns.resolve('127.0.0.1', 'PTR');
});
var hosts = ['example.com',
'example.org',
'ietf.org', // AAAA
'google.com', // MX, multiple A records
'_xmpp-client._tcp.google.com', // SRV
'oakalynhall.co.uk' // Multiple PTR replies
];
var records = ['A', 'AAAA', 'MX', 'TXT', 'SRV'];
var i = hosts.length;
while (i--) {
var j = records.length;
while (j--) {
var hostCmd = "dig -t " + records[j] + " " + hosts[i] +
"| grep '^" + hosts[i] + "\\.\\W.*IN.*" + records[j] + "'" +
"| sed -E 's/[[:space:]]+/ /g' | cut -d ' ' -f 5- " +
"| sed -e 's/\\.$//'";
child_process.exec(hostCmd, checkDnsRecord(hosts[i], records[j]));
}
}
function checkDnsRecord(host, record) {
var myHost = host,
myRecord = record;
return function(err, stdout) {
var expected = [];
if(stdout.length)
expected = stdout.substr(0, stdout.length - 1).split("\n");
switch (myRecord) {
case "A":
case "AAAA":
dns.resolve(myHost, myRecord, function (error, result, ttl, cname) {
if(error) result = [];
cmpResults(expected, result, ttl, cname);
// do reverse lookup check
var ll = result.length;
while (ll--) {
var ip = result[ll];
var reverseCmd = "host " + ip +
"| cut -d \" \" -f 5-" +
"| sed -e 's/\\.$//'";
child_process.exec(reverseCmd, checkReverse(ip));
}
});
break;
case "MX":
dns.resolve(myHost, myRecord, function (error, result, ttl, cname) {
if(error) result = [];
var strResult = [];
var ll = result.length;
while (ll--) {
strResult.push(result[ll].priority + " " + result[ll].exchange);
}
cmpResults(expected, strResult, ttl, cname);
});
break;
case "TXT":
dns.resolve(myHost, myRecord, function (error, result, ttl, cname) {
if(error) result = [];
var strResult = [];
var ll = result.length;
while (ll--) {
strResult.push('"' + result[ll] + '"');
}
cmpResults(expected, strResult, ttl, cname);
});
break;
case "SRV":
dns.resolve(myHost, myRecord, function (error, result, ttl, cname) {
if(error) result = [];
var strResult = [];
var ll = result.length;
while (ll--) {
strResult.push(result[ll].priority + " " +
result[ll].weight + " " +
result[ll].port + " " +
result[ll].name);
}
cmpResults(expected, strResult, ttl, cname);
});
break;
}
}
}
function checkReverse(ip) {
var myIp = ip;
return function (errr, stdout) {
var expected = stdout.substr(0, stdout.length - 1).split("\n");
reversing = dns.reverse(myIp, function (error, domains, ttl, cname) {
if(error) domains = [];
cmpResults(expected, domains, ttl, cname);
});
}
}
function cmpResults(expected, result, ttl, cname) {
if (expected.length != result.length) {
if (expected.length == 1 && expected[0] == '3(NXDOMAIN)' && result.length == 0) {
// it's ok, dig returns NXDOMAIN, while dns module returns nothing
} else {
console.log('---WARNING---\nexpected ' + expected + '\nresult ' + result + '\n-------------');
}
return;
}
expected.sort();
result.sort();
ll = expected.length;
while (ll--) {
assert.equal(result[ll], expected[ll]);
console.log("Result " + result[ll] + " was equal to expected " + expected[ll]);
}
}
|
