/[mdap]/mdap-server.pl
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Contents of /mdap-server.pl

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Revision 19 - (show annotations)
Mon Apr 23 19:06:18 2007 UTC (16 years, 11 months ago) by dpavlin
File MIME type: text/plain
File size: 4803 byte(s)
added command-line options for each parametar, better default verbosity (--quiet),
use --verbose or --debug to increase output verbosity.
1 #!/usr/bin/perl
2
3 use strict;
4 use IO::Socket::Multicast;
5 use Data::Dump qw/dump/;
6 use Getopt::Long;
7
8 my $GROUP = '224.0.0.103';
9 my $PORT = '3235';
10
11 my $debug = 0;
12 my $quiet = 1;
13 my $verbose = 0;
14
15 my $resend_search_delay = 3;
16 my $tftp_path = '/srv/tftp/';
17
18 GetOptions(
19 "port=i" => \$PORT,
20 "group=s" => \$GROUP,
21 "debug!" => \$debug,
22 "quiet!" => \$quiet,
23 "verbose!" => \$verbose,
24 "search=i" => \$resend_search_delay,
25 "tftp=s" => \$tftp_path,
26 );
27
28 $quiet = 0 if $verbose;
29
30 # tab-delimited list of user id/passwd to try on ants
31 my @try_accounts = ( "Administrator\t" );
32
33 my $passwd_path = $0;
34 $passwd_path =~ s/[^\/]+$/passwd/;
35
36 if (-e $passwd_path) {
37 open(my $fh, $passwd_path) || die "can't open $passwd_path: $!";
38 while(<$fh>) {
39 chomp;
40 next if /^#/ || /^$/ || /^\s+$/;
41 if (/^\S+\t\S+$/) {
42 push @try_accounts, $_;
43 } else {
44 warn "invalid $passwd_path entry: $_\n";
45 }
46 }
47 print "found ", $#try_accounts + 1, " accounts to try on password protected ants\n";
48 }
49
50 warn "search for ants every ${resend_search_delay}s\ntftp server path: $tftp_path\n";
51
52 sub fw {
53 my ($board, $offset,$len) = @_;
54 open(my $fh, "$tftp_path/$board") || die "Can't open image $tftp_path/$board: $!";
55 my $b;
56 seek($fh, $offset, 0) || die "can't seek to $offset: $!";
57 read($fh, $b, $len) || die "can't read $len bytes from $offset: $!";
58 close($fh);
59 return $b;
60 }
61
62 sub fw_build {
63 my $board_name = shift || return 0;
64 my $v = join('.', unpack('CCCC',fw($board_name,0x20,4)) );
65 print "# fw_build $board_name $v\n" unless $quiet;
66 return $v;
67 }
68
69 sub fw_exists {
70 my $board = shift;
71 return -e "$tftp_path/$board";
72 }
73
74 my $sock = IO::Socket::Multicast->new(LocalPort=>$PORT,ReuseAddr=>1);
75 $sock->mcast_add($GROUP) || die "Couldn't set group: $!\n";
76 $sock->mcast_ttl(1);
77
78 sub ant2hash {
79 my $data = shift;
80 my $hash;
81 map {
82 if ( m/:/ ) {
83 my ($n,$v) = split(/:/,$_,2);
84 $hash->{$n} = $v;
85 }
86 } split(/[\n\r]/, $data);
87 return $hash;
88 }
89
90 sub mdap_send {
91 my $data = shift;
92
93 my $xor = 0;
94 map { $xor ^= ord($_) } split(//,$data);
95 $data .= sprintf('%02X', $xor);
96
97 $sock->mcast_send( $data, "${GROUP}:${PORT}" );
98 if ($debug) {
99 warn ">> ", dump( $data ), $/;
100 } elsif( ! $quiet ) {
101 $data =~ s/\s+/ /gi;
102 warn ">> ", substr($data,0,70), $/;
103 }
104 }
105
106 my $ant_passwd_try;
107
108 sub ant_credentials {
109 my $ant = shift || die "no ant?";
110 my $i = $ant_passwd_try->{$ant} || 0;
111 my ($user_id,$user_pwd) = split(/\t/, $try_accounts[$i]);
112 #warn "ant $ant as [$i] $user_id / $user_pwd\n";
113 return ($user_id,$user_pwd);
114 }
115
116 sub ant_another_passwd {
117 my $ant = shift || die "no ant?";
118 $ant_passwd_try->{$ant}++;
119 $ant_passwd_try->{$ant} = 0 if ( $ant_passwd_try->{$ant} > $#try_accounts );
120 }
121
122 local $SIG{ALRM} = sub {
123 mdap_send("ANT-SEARCH MDAP/1.1\r\n");
124 alarm( $resend_search_delay );
125 };
126
127 alarm( $resend_search_delay );
128
129 mdap_send("ANT-SEARCH MDAP/1.1\r\n");
130
131 while (1) {
132 my $data;
133 next unless $sock->recv($data,1024);
134
135 if ( $data =~ m#^(INFO|ANT-SEARCH|EXEC-CLI|REPLY-\S+)\s(MDAP)/(\d+\.\d+)# ) {
136
137 my ($type,$proto,$mdap_ver) = ($1,$2,$3);
138
139 my $h = ant2hash($data);
140
141 my $client_version = $h->{'MDAP-VERSION'};
142 $mdap_ver = $client_version if ($client_version);
143
144 print "<< $type $proto/$mdap_ver << ", length($data), " bytes\n" unless $quiet;
145
146 warn dump($h),$/ if ($debug);
147
148 # we are getting our own messages (since our source port
149 # is same as destination)
150 next if ( $type =~ m#^(INFO|ANT-SEARCH|EXEC-CLI)# );
151
152 my $ant = $h->{'ANT-ID'} || die "no ANT-ID in ", dump( $h );
153
154 my ($user_id,$user_pwd) = ant_credentials( $ant );
155
156 if ($type eq 'REPLY-ANT-SEARCH') {
157 mdap_send("INFO MDAP/$mdap_ver\r\nSEQ-NR:1\r\nTO-ANT:$ant\r\nUSER-ID:$user_id\r\nUSER-PWD:$user_pwd\r\n");
158 } elsif ($type eq 'REPLY-INFO') {
159
160 if ($h->{'SEQ-NR'} < 0) {
161 warn "!! password protected ant $ant, skipping\n";
162 ant_another_passwd( $ant );
163 next;
164 }
165
166 my $board = $h->{'_BOARD_NAME'} || die "no _BOARD_NAME?";
167 if ( fw_exists( $board ) ) {
168 my $build = $h->{'_BUILD'} || die "no _BUILD?";
169 my $new_build = fw_build( $board );
170 if ( $build ne $new_build ) {
171 print "UPDATE STEP 1 on ant $ant version $build -> $new_build\n";
172 mdap_send("EXEC-CLI MDAP/$mdap_ver\r\nCLI-CMD:software upgrade\r\nSEQ-NR:1\r\nTO-ANT:$ant\r\nUSER-ID:$user_id\r\nUSER-PWD:$user_pwd\r\n");
173 } else {
174 print "OK ant $ant allready updated...\n";
175 }
176 } else {
177 print "!! NO FIRMWARE for $board in $tftp_path for ant $ant, skipping update\n";
178 }
179 } elsif ( $type eq 'REPLY-EXEC-CLI' && $h->{'SEQ-NR'} == 1 ) {
180 print "UPDATE STEP 2 on ant $ant\n";
181 mdap_send("EXEC-CLI MDAP/$mdap_ver\r\nSEQ-NR:2\r\nTO-ANT:$ant\r\nUSER-ID:$user_id\r\nUSER-PWD:$user_pwd\r\n");
182 } else {
183 print "!! reply ignored ", dump( $h ), $/;
184 }
185
186 } else {
187 warn "<=" x 15, "\n", $data, "\n", "<=" x 15, "\n";
188 }
189 }

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