6 |
use IO::Socket; |
use IO::Socket; |
7 |
use Data::Dump qw/dump/; |
use Data::Dump qw/dump/; |
8 |
use CouchDB; |
use CouchDB; |
9 |
|
use File::Slurp; |
10 |
|
|
11 |
|
use server; |
12 |
|
|
13 |
our $port = 514; |
our $port = 514; |
14 |
our $MAXLEN = 1524; |
our $MAXLEN = 1524; |
15 |
|
|
16 |
|
sub message { |
17 |
|
my $sock = shift; |
18 |
|
|
19 |
|
my $buf; |
20 |
|
$sock->recv($buf, $MAXLEN); |
21 |
|
|
22 |
|
next unless $buf; |
23 |
|
|
24 |
|
my ($port, $ipaddr) = sockaddr_in($sock->peername); |
25 |
|
my $log = { |
26 |
|
ip => join('.', unpack('C4',$ipaddr)), |
27 |
|
buf => $buf, |
28 |
|
}; |
29 |
|
|
30 |
|
if ( $buf =~ s/<(\d+)>// ) { |
31 |
|
$log->{pri} = $1 % 8; |
32 |
|
$log->{facility} = ( $1 - $log->{pri} ) / 8; |
33 |
|
|
34 |
|
$log->{timestamp} = $1 if $buf =~ s/^(\w\w\w\s+\d+\s+\d\d:\d\d:\d\d)\s*//; # strip timestamp which some syslog servers insert here |
35 |
|
|
36 |
|
if ( $buf =~ s/^([^:]+)\s*:\s*// ) { |
37 |
|
my $tag = $1; |
38 |
|
if ( $tag =~ m{^(\S+)\s(\S+)} ) { |
39 |
|
$log->{tag} = $2; |
40 |
|
$log->{hostname} = $1; |
41 |
|
} else { |
42 |
|
$log->{tag} = $tag; |
43 |
|
} |
44 |
|
|
45 |
|
if ( $log->{tag} =~ s/\[(\d+)\]$// ) { |
46 |
|
$log->{pid} = $1; |
47 |
|
} elsif ( $buf =~ s/^(\d+):\s*// ) { |
48 |
|
$log->{pid} = $1; |
49 |
|
} |
50 |
|
} |
51 |
|
|
52 |
|
$log->{tag} =~ s{^/.+/([^/]+)$}{$1}; |
53 |
|
|
54 |
|
if ( $log->{tag} =~ m{CRON}i && $buf =~ m{^\((\w+)\) (.+) \((.+)\)$} ) { |
55 |
|
$log->{cron} = { |
56 |
|
user => $1, |
57 |
|
command => $2, |
58 |
|
argument => $3, |
59 |
|
}; |
60 |
|
} |
61 |
|
|
62 |
|
if ( $buf =~ m{(init|error|mount|smart|usb|fs)}i ) { |
63 |
|
$log->{category} = $1; |
64 |
|
} |
65 |
|
|
66 |
|
$log->{message} = $buf; |
67 |
|
} |
68 |
|
|
69 |
|
warn "log ",dump( $log ); |
70 |
|
CouchDB::audit( $log->{tag}, $log ); |
71 |
|
} |
72 |
|
|
73 |
sub start { |
sub start { |
74 |
|
|
75 |
my $sock = IO::Socket::INET->new( |
my $sock = IO::Socket::INET->new( |
80 |
|
|
81 |
CouchDB::audit('start', { port => $port }); |
CouchDB::audit('start', { port => $port }); |
82 |
|
|
|
my $buf; |
|
83 |
while(1) { |
while(1) { |
84 |
$sock->recv($buf, $MAXLEN); |
message($sock); |
85 |
my ($port, $ipaddr) = sockaddr_in($sock->peername); |
server->refresh; |
|
my $log = { |
|
|
ip => join('.', unpack('C4',$ipaddr)), |
|
|
hostname => gethostbyaddr($ipaddr, AF_INET), |
|
|
message => $buf, |
|
|
}; |
|
|
|
|
|
if ( $buf =~ /<(\d+)>\s*(\S*)\s*:\s*(.*)/ ) { |
|
|
my $level = $1 % 8; |
|
|
|
|
|
my $overlay = { |
|
|
message => $3, |
|
|
level => $level, |
|
|
facility => ( $1-$level ) / 8, |
|
|
program => $2, |
|
|
}; |
|
|
|
|
|
$log->{$_} = $overlay->{$_} foreach keys %$overlay; |
|
|
|
|
|
$log->{pid} = $1 if $log->{program} =~ s/\[(\d+)\]$//; |
|
|
} |
|
|
|
|
|
warn "log ",dump( $log ); |
|
|
CouchDB::audit( 'syslog', $log ); |
|
86 |
} |
} |
87 |
|
} |
88 |
|
|
89 |
|
sub install_local { |
90 |
|
my $rsyslog = '/etc/rsyslog.d'; |
91 |
|
return unless -d $rsyslog; |
92 |
|
$rsyslog .= '/pxelator.conf'; |
93 |
|
warn "# redirect local syslog to pxelator using $rsyslog"; |
94 |
|
write_file $rsyslog, "*.*\t\@$server::ip\n"; |
95 |
|
system "( /etc/init.d/rsyslog stop ; sleep 2 ; /etc/init.d/rsyslog start ; rm $rsyslog ) &"; |
96 |
} |
} |
97 |
|
|
98 |
1; |
1; |