blob: 5da672f7c8d922365c97f697045f62bcff864fa2 (
plain)
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
|
#!/usr/bin/ruby1.8
require 'socket'
require 'timeout'
#
# Test that we can receive a response from an SMTP server that looks
# reasonable.
#
class SMTPTest
#
# Data passed from the JSON hash.
#
attr_reader :test_data
#
# The error text we return on failure.
#
attr_reader :error
#
# Save the data away.
#
def initialize( data )
@test_data = data
@error = nil
#
# Ensure we have a host to probe
#
if ( @test_data["target_host"].nil? )
@error = "Missing target for the test."
raise ArgumentError, @error
end
#
# Ensure we have a port to test.
#
if ( @test_data["test_port"].nil? )
@error = "Missing port for the test."
raise ArgumentError, @error
end
end
#
# Run the test.
#
# Return "true" on success
#
# Return "false" on failure.
#
# If the test fails the details should be retrieved from "error".
#
def run_test
#
# Reset state from previous test.
#
@error = nil
#
# Get the hostname & port to test against.
#
host = @test_data['target_host']
port = @test_data['test_port']
puts "SMTP testing host #{host}:#{port}" if ( @test_data['verbose'] )
begin
timeout(@test_data["timeout"].to_i) do
begin
socket = TCPSocket.new( host, port )
socket.puts( "QUIT")
banner = socket.gets(nil)
banner = banner[0,40] unless( banner.nil? )
socket.close()
if ( ( !banner.nil? ) && ( banner =~ /SMTP/i ) )
puts "SMTP alive: #{banner}" if ( @test_data['verbose'] )
return true
else
@error = "Banner didn't seem reasonable: #{banner}"
return false;
end
rescue
@error = "SMTP exception on host #{host}:#{port} - #{$!}"
return false
end
end
rescue Timeout::Error => e
@error = "TIMEOUT: #{e}"
return false
end
@error = "Misc failure"
return false
end
#
# Return the error text for why this test failed.
#
def error
return @error
end
end
#
# Sample test, for testing.
#
if __FILE__ == $0 then
#
# Sample data.
#
test = {
"target_host" => "mail.steve.org.uk",
"test_type" => "smtp",
"test_port" => "25",
"verbose" => 1,
"timeout" => 5,
"test_alert" => "SMTP failure",
}
#
# Run the test.
#
obj = SMTPTest.new( test )
if ( obj.run_test )
puts "TEST OK"
else
puts "TEST FAILED"
puts obj.error()
end
end
|
