/[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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Annotation of /mdap-server.pl

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Revision 20 - (hide annotations)
Mon Apr 23 19:40:57 2007 UTC (16 years, 11 months ago) by dpavlin
File MIME type: text/plain
File size: 5203 byte(s)
refactore output using once (to display message just once) and added fast-retry
of accounts if password is invalid
1 dpavlin 2 #!/usr/bin/perl
2    
3     use strict;
4     use IO::Socket::Multicast;
5     use Data::Dump qw/dump/;
6 dpavlin 19 use Getopt::Long;
7 dpavlin 2
8 dpavlin 19 my $GROUP = '224.0.0.103';
9     my $PORT = '3235';
10 dpavlin 2
11 dpavlin 19 my $debug = 0;
12     my $quiet = 1;
13     my $verbose = 0;
14 dpavlin 8
15 dpavlin 2 my $resend_search_delay = 3;
16 dpavlin 7 my $tftp_path = '/srv/tftp/';
17 dpavlin 2
18 dpavlin 19 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 dpavlin 17 # tab-delimited list of user id/passwd to try on ants
31     my @try_accounts = ( "Administrator\t" );
32 dpavlin 14
33 dpavlin 17 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 dpavlin 19 print "found ", $#try_accounts + 1, " accounts to try on password protected ants\n";
48 dpavlin 17 }
49    
50 dpavlin 9 warn "search for ants every ${resend_search_delay}s\ntftp server path: $tftp_path\n";
51    
52 dpavlin 7 sub fw {
53     my ($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 dpavlin 19 print "# fw_build $board_name $v\n" unless $quiet;
66 dpavlin 7 return $v;
67     }
68    
69     sub fw_exists {
70     my $board = shift;
71     return -e "$tftp_path/$board";
72     }
73    
74 dpavlin 19 my $sock = IO::Socket::Multicast->new(LocalPort=>$PORT,ReuseAddr=>1);
75     $sock->mcast_add($GROUP) || die "Couldn't set group: $!\n";
76 dpavlin 2 $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 dpavlin 14
93     my $xor = 0;
94     map { $xor ^= ord($_) } split(//,$data);
95     $data .= sprintf('%02X', $xor);
96    
97 dpavlin 19 $sock->mcast_send( $data, "${GROUP}:${PORT}" );
98 dpavlin 9 if ($debug) {
99     warn ">> ", dump( $data ), $/;
100 dpavlin 19 } elsif( ! $quiet ) {
101 dpavlin 9 $data =~ s/\s+/ /gi;
102     warn ">> ", substr($data,0,70), $/;
103     }
104 dpavlin 2 }
105    
106 dpavlin 20 my $ant_passwd;
107 dpavlin 17
108     sub ant_credentials {
109     my $ant = shift || die "no ant?";
110 dpavlin 20 my $i = $ant_passwd->{$ant} || 0;
111 dpavlin 17 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 dpavlin 20 my $ant_password_protected;
117    
118 dpavlin 17 sub ant_another_passwd {
119     my $ant = shift || die "no ant?";
120 dpavlin 20 return if ( $ant_password_protected->{$ant} );
121    
122     $ant_passwd->{$ant}++;
123    
124     if ( $ant_passwd->{$ant} > $#try_accounts ) {
125     print "!! ant $ant password protected\n";
126     $ant_password_protected->{$ant}++;
127     return 0;
128     }
129     return 1;
130 dpavlin 17 }
131    
132 dpavlin 20 my $once;
133    
134     sub once {
135     my $m = join(" ", @_);
136     $once->{$m}++;
137     print $m if ($once->{$m} == 1);
138     }
139    
140 dpavlin 2 local $SIG{ALRM} = sub {
141 dpavlin 14 mdap_send("ANT-SEARCH MDAP/1.1\r\n");
142 dpavlin 2 alarm( $resend_search_delay );
143     };
144    
145     alarm( $resend_search_delay );
146    
147 dpavlin 14 mdap_send("ANT-SEARCH MDAP/1.1\r\n");
148 dpavlin 7
149 dpavlin 2 while (1) {
150     my $data;
151     next unless $sock->recv($data,1024);
152    
153 dpavlin 9 if ( $data =~ m#^(INFO|ANT-SEARCH|EXEC-CLI|REPLY-\S+)\s(MDAP)/(\d+\.\d+)# ) {
154 dpavlin 2
155 dpavlin 9 my ($type,$proto,$mdap_ver) = ($1,$2,$3);
156 dpavlin 2
157     my $h = ant2hash($data);
158    
159 dpavlin 9 my $client_version = $h->{'MDAP-VERSION'};
160     $mdap_ver = $client_version if ($client_version);
161 dpavlin 7
162 dpavlin 19 print "<< $type $proto/$mdap_ver << ", length($data), " bytes\n" unless $quiet;
163 dpavlin 2
164 dpavlin 8 warn dump($h),$/ if ($debug);
165    
166 dpavlin 17 # we are getting our own messages (since our source port
167     # is same as destination)
168 dpavlin 9 next if ( $type =~ m#^(INFO|ANT-SEARCH|EXEC-CLI)# );
169    
170     my $ant = $h->{'ANT-ID'} || die "no ANT-ID in ", dump( $h );
171    
172 dpavlin 17 my ($user_id,$user_pwd) = ant_credentials( $ant );
173    
174 dpavlin 2 if ($type eq 'REPLY-ANT-SEARCH') {
175 dpavlin 20 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") unless ( $ant_password_protected->{$ant} );
176 dpavlin 2 } elsif ($type eq 'REPLY-INFO') {
177 dpavlin 15
178     if ($h->{'SEQ-NR'} < 0) {
179 dpavlin 20 if ( ant_another_passwd( $ant ) ) {
180     my ($user_id,$user_pwd) = ant_credentials( $ant );
181     mdap_send("INFO MDAP/$mdap_ver\r\nSEQ-NR:1\r\nTO-ANT:$ant\r\nUSER-ID:$user_id\r\nUSER-PWD:$user_pwd\r\n");
182     }
183 dpavlin 15 next;
184     }
185    
186 dpavlin 7 my $board = $h->{'_BOARD_NAME'} || die "no _BOARD_NAME?";
187     if ( fw_exists( $board ) ) {
188 dpavlin 14 my $build = $h->{'_BUILD'} || die "no _BUILD?";
189     my $new_build = fw_build( $board );
190     if ( $build ne $new_build ) {
191     print "UPDATE STEP 1 on ant $ant version $build -> $new_build\n";
192     mdap_send("EXEC-CLI MDAP/$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");
193 dpavlin 7 } else {
194 dpavlin 20 once "OK ant $ant has $build\n";
195 dpavlin 7 }
196 dpavlin 2 } else {
197 dpavlin 20 once "!! NO FIRMWARE for $board in $tftp_path for ant $ant, skipping update\n";
198 dpavlin 2 }
199 dpavlin 3 } elsif ( $type eq 'REPLY-EXEC-CLI' && $h->{'SEQ-NR'} == 1 ) {
200 dpavlin 7 print "UPDATE STEP 2 on ant $ant\n";
201 dpavlin 14 mdap_send("EXEC-CLI MDAP/$mdap_ver\r\nSEQ-NR:2\r\nTO-ANT:$ant\r\nUSER-ID:$user_id\r\nUSER-PWD:$user_pwd\r\n");
202 dpavlin 2 } else {
203 dpavlin 8 print "!! reply ignored ", dump( $h ), $/;
204 dpavlin 2 }
205    
206     } else {
207 dpavlin 8 warn "<=" x 15, "\n", $data, "\n", "<=" x 15, "\n";
208 dpavlin 2 }
209     }

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