/[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 47 - (show annotations)
Fri Nov 16 14:59:30 2007 UTC (16 years, 4 months ago) by dpavlin
File MIME type: text/plain
File size: 7552 byte(s)
 r56@brr:  dpavlin | 2007-11-16 15:59:26 +0100
 - more strict parsing of SEQ-NR (which can contain " OK" at end)
 - call new ChangeIP plugin which sorts out IP addressing issues
 - report EXEC-CLI failures

1 #!/usr/bin/perl
2
3 use warnings;
4 use strict;
5 use IO::Socket::Multicast;
6 use Data::Dump qw/dump/;
7 use Getopt::Long;
8
9 use lib './lib';
10 use MDAP::ChangeIP;
11
12 my $GROUP = '224.0.0.103';
13 my $PORT = '3235';
14
15 my $debug = 0;
16 my $quiet = 1;
17 my $verbose = 0;
18 my $credentials = 0;
19
20 my $resend_search_delay = 3;
21 my $tftp_path = '/srv/tftp/';
22
23 my $flashed_cmd = 'system config led=flash';
24
25 GetOptions(
26 "port=i" => \$PORT,
27 "group=s" => \$GROUP,
28 "debug!" => \$debug,
29 "quiet!" => \$quiet,
30 "verbose!" => \$verbose,
31 "search=i" => \$resend_search_delay,
32 "tftp=s" => \$tftp_path,
33 "credentials" => \$credentials,
34 "exec=s" => \$flashed_cmd,
35 );
36
37 $quiet = 0 if $verbose;
38 $credentials = 1 if $debug;
39
40 # tab-delimited list of user id/passwd to try on ants
41 my @try_accounts = ( "Administrator\t" );
42
43 my $passwd_path = $0;
44 $passwd_path =~ s/[^\/]+$/passwd/;
45
46 if (-e $passwd_path) {
47 open(my $fh, $passwd_path) || die "can't open $passwd_path: $!";
48 while(<$fh>) {
49 chomp;
50 next if /^#/ || /^$/ || /^\s+$/;
51 if (/^\S+\s+\S+$/) {
52 push @try_accounts, $_;
53 } else {
54 warn "invalid $passwd_path entry: $_\n";
55 }
56 }
57 print "found ", $#try_accounts + 1, " accounts to try on password protected ants",
58 $credentials ? " and display credentials" : "", "\n";
59 }
60
61 warn "search for ants every ${resend_search_delay}s\ntftp server path: $tftp_path\nflashed to current version: $flashed_cmd\n";
62
63 sub fw {
64 my ($board, $offset,$len) = @_;
65 open(my $fh, "$tftp_path/$board") || die "Can't open image $tftp_path/$board: $!";
66 my $b;
67 seek($fh, $offset, 0) || die "can't seek to $offset: $!";
68 read($fh, $b, $len) || die "can't read $len bytes from $offset: $!";
69 close($fh);
70 return $b;
71 }
72
73 sub fw_build {
74 my $board_name = shift || return 0;
75 my $v = join('.', unpack('CCCC',fw($board_name,0x20,4)) );
76 print "# fw_build $board_name $v\n" unless $quiet;
77 return $v;
78 }
79
80 sub fw_exists {
81 my $board = shift;
82 return -e "$tftp_path/$board";
83 }
84
85 my $sock = IO::Socket::Multicast->new(LocalPort=>$PORT,ReuseAddr=>1);
86 $sock->mcast_add($GROUP) || die "Couldn't set group: $!\n";
87 $sock->mcast_ttl(1);
88
89 sub ant2hash {
90 my $data = shift;
91 my $hash;
92 map {
93 if ( m/:/ ) {
94 my ($n,$v) = split(/:/,$_,2);
95 $hash->{$n} = $v;
96 }
97 } split(/[\n\r]/, $data);
98 return $hash;
99 }
100
101 sub mdap_send {
102 my $data = shift;
103
104 my $xor = 0;
105 map { $xor ^= ord($_) } split(//,$data);
106 $data .= sprintf('%02X', $xor);
107
108 $sock->mcast_send( $data, "${GROUP}:${PORT}" );
109 if ($debug) {
110 warn ">> ${GROUP}:${PORT} >> ", dump( $data ), $/;
111 } elsif( ! $quiet ) {
112 $data =~ s/\s+/ /gi;
113 warn ">> ", substr($data,0,70), $/;
114 }
115 }
116
117 my $ant_passwd;
118 my $ant_unknown_password;
119 my $ant_ok_password;
120 my $ant_flashing;
121
122 sub ant_credentials {
123 my $ant = shift || die "no ant?";
124 my $i = $ant_passwd->{$ant} || 0;
125 my ($user_id,$user_pwd) = split(/\t/, $try_accounts[$i]);
126 #warn "ant $ant as [$i] $user_id / $user_pwd\n";
127 return ($user_id,$user_pwd);
128 }
129
130 sub ant_unknown_password {
131 my $ant = shift || die "no ant?";
132 if ( $ant_unknown_password->{$ant} ) {
133 $ant_unknown_password->{$ant}--;
134 }
135 return $ant_unknown_password->{$ant};
136 }
137
138 sub ant_another_passwd {
139 my $ant = shift || die "no ant?";
140
141 return 0 if ant_unknown_password( $ant );
142 return 0 if $ant_ok_password->{$ant};
143
144 $ant_passwd->{$ant}++;
145
146 if ( $ant_passwd->{$ant} > $#try_accounts ) {
147 print "$ant ant with unknown password\n";
148 $ant_unknown_password->{$ant} = 10;
149 $ant_passwd->{$ant} = 0;
150 return 0;
151 }
152 return 1;
153 }
154
155 sub forget_ant {
156 my $ant = shift || die "no ant?";
157 delete $ant_unknown_password->{$ant};
158 delete $ant_passwd->{$ant};
159 delete $ant_ok_password->{$ant};
160 }
161
162 my $once;
163
164 sub once {
165 my $m = join('', @_);
166 $once->{$m}++;
167 print $m if ($once->{$m} == 1);
168 }
169
170 my $status = '';
171
172 sub status {
173 my $m = join('', @_);
174 if ($m ne $status) {
175 print $m;
176 $status = $m;
177 }
178 }
179
180 local $SIG{ALRM} = sub {
181 mdap_send("ANT-SEARCH MDAP/1.1\r\n");
182 alarm( $resend_search_delay );
183 };
184
185 alarm( $resend_search_delay );
186
187 mdap_send("ANT-SEARCH MDAP/1.1\r\n");
188
189 while (1) {
190 my $data;
191 next unless $sock->recv($data,1024);
192
193 if ( $data =~ m#^(INFO|ANT-SEARCH|EXEC-CLI|REPLY-\S+)\s(MDAP)/(\d+\.\d+)# ) {
194
195 my ($type,$proto,$mdap_ver) = ($1,$2,$3);
196
197 my $h = ant2hash($data);
198
199 my $client_version = $h->{'MDAP-VERSION'};
200 $mdap_ver = $client_version if ($client_version);
201
202 print "<< $type $proto/$mdap_ver << ", length($data), " bytes\n" unless $quiet;
203
204 warn dump( $data, $h ),$/ if ($debug);
205
206 # we are getting our own messages (since our source port
207 # is same as destination)
208 next if ( $type =~ m#^(INFO|ANT-SEARCH|EXEC-CLI)# );
209
210 my $ant = $h->{'ANT-ID'} || die "no ANT-ID in ", dump( $h );
211 my $seq_nr = $1 if (defined $h->{'SEQ-NR'} && $h->{'SEQ-NR'} =~ m/^-*(\d)+/);
212 #warn "SEQ-NR: $seq_nr ok: ",$ant_ok_password->{$ant},"\n" if ($seq_nr);
213
214 my ($user_id,$user_pwd) = ant_credentials( $ant );
215
216 if ($type eq 'REPLY-ANT-SEARCH') {
217 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_unknown_password( $ant );
218 } elsif ($type eq 'REPLY-INFO') {
219
220 if ( $seq_nr < 0 ) {
221 # if ( $ant_ok_password ) {
222 # $ant_ok_password->{$ant} = 0;
223 # } elsif ( ant_another_passwd( $ant ) ) {
224 if ( ant_another_passwd( $ant ) ) {
225 ($user_id,$user_pwd) = ant_credentials( $ant );
226 mdap_send("INFO MDAP/$mdap_ver\r\nSEQ-NR:1\r\nTO-ANT:$ant\r\nUSER-ID:$user_id\r\nUSER-PWD:$user_pwd\r\n");
227 }
228 next;
229 } else {
230 $ant_ok_password->{$ant}++;
231 print "$ant credentials $user_id $user_pwd\n" if ( $credentials && $ant_ok_password->{$ant} == 1 ) || $debug;
232 }
233
234 my $board = $h->{'_BOARD_NAME'} || die "no _BOARD_NAME?";
235 if ( fw_exists( $board ) ) {
236 my $build = $h->{'_BUILD'} || die "no _BUILD?";
237 my $new_build = fw_build( $board );
238 if ( $build ne $new_build ) {
239 print "+ $ant version $build -> $new_build\n";
240 mdap_send("EXEC-CLI MDAP/$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");
241 $ant_flashing->{$ant}++;
242 } else {
243 once "$ant OK version $build",
244 $ant_unknown_password->{$ant} ? ' with unknown password' :
245 $ant_passwd->{$ant} ? ' password protected' :
246 '',
247 "\n";
248
249 $ant_flashing->{$ant} = 0;
250 # green|red|orange|flash|off
251 mdap_send("EXEC-CLI MDAP/$mdap_ver\r\nCLI-CMD:$flashed_cmd\r\nSEQ-NR:1\r\nTO-ANT:$ant\r\nUSER-ID:$user_id\r\nUSER-PWD:$user_pwd\r\n");
252 my $waiting = 0;
253 my $count = 0;
254 map {
255 $waiting++ if ($ant_flashing->{$_});
256 $count++;
257 } keys %$ant_flashing;
258 if ($waiting == 0) {
259 status "ALL $count ANTS FLASHED to $build\n";
260 $ant_flashing = undef;
261 } else {
262 status "$waiting of $count ants still flasing upto $build\n";
263 }
264 }
265 } else {
266 once "!! NO FIRMWARE for $board in $tftp_path for ant $ant, skipping update\n";
267 }
268
269 if ( my $command = CWMP::ChangeIP::check( $h ) ) {
270 warn "## sending $command to $ant\n";
271 mdap_send("EXEC-CLI MDAP/$mdap_ver\r\nCLI-CMD:$command\r\nSEQ-NR:1\r\nTO-ANT:$ant\r\nUSER-ID:$user_id\r\nUSER-PWD:$user_pwd\r\n");
272 }
273
274 } elsif ( $type eq 'REPLY-EXEC-CLI' ) {
275 print "+ $type\n$data\n" if ($verbose);
276 if ( $seq_nr == 1 ) {
277 mdap_send("EXEC-CLI MDAP/$mdap_ver\r\nSEQ-NR:2\r\nTO-ANT:$ant\r\nUSER-ID:$user_id\r\nUSER-PWD:$user_pwd\r\n");
278 forget_ant( $ant ) if ( $ant_flashing->{$ant} );
279 } elsif ( $seq_nr < 0 ) {
280 warn "EXEC-CLI failed\n";
281 }
282
283 } else {
284 print "!! reply $type ignored ", dump( $h ), $/;
285 }
286
287 } else {
288 warn "<=" x 15, "\n", $data, "\n", "<=" x 15, "\n";
289 }
290 }

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