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Very undocumented bridge-based mesh packet generator. Needs work

This commit is contained in:
Stefan `Sec` Zehl 2011-12-25 20:51:01 +01:00
parent 52085b91b5
commit 709319048b
1 changed files with 187 additions and 0 deletions
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187
tools/mesh/dbg.pl Executable file
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@ -0,0 +1,187 @@
#!/usr/bin/perl
#
# vim:set ts=4 sw=4:
use strict;
use IO::Select;
use Digest::CRC qw(crc16 crcccitt);
$|=1;
my @fh;
my $read;
sub sprint{
my @str=split(//,shift);
for (@str){
if (ord($_)>30 && ord($_)<127){
print $_;
}else{
print "[x",unpack("H*",$_),"]";
};
};
};
my $ser=shift || "/dev/ttyS3";
open(SER, "+<",$ser) || die "open: $!";
my $sel = IO::Select->new;
$sel->add(\*SER);
my $cmd=shift;
if($cmd =~ /^r/){
$cmd=~s/r//;
$cmd+=1;
my $fmt=shift;
while($cmd-->0){
my $read="";
while($read !~ /\\1.*\\0/){
my $rr="";
if (@fh = $sel->can_read(100)) {
sysread($fh[0],$rr,1024);
$read.=$rr;
}
};
print "Read: <"; sprint $read; print ">\n";
$read =~ s/^\\1//;
if($fmt eq "m"){
print "M [",substr($read,0,1),"] ";
print "g=",unpack("C",substr($read,1,1))," ";
print "t=",unpack("N",substr($read,2,4))," ";
print "beacon=",unpack("H*",substr($read,26,4))," ";
print "\n";
};
my $cs=substr($read,0,30);
my $crc=substr($read,30,2);
print unpack("n",$crc),"<>";
print crcccitt($cs),"\n";
};
}elsif ($cmd eq "mt"){
my $par=pack("H*",shift);
print "Write: <"; sprint $par; print ">\n";
syswrite(SER, '\3'.$par.'\0');
}elsif ($cmd eq "mta"){
my $par=shift;
print "Write: <"; sprint $par; print ">\n";
print "len: ",length($par),"\n";
syswrite(SER, '\3'.$par.'\0');
}elsif ($cmd eq "mr"){
my $par=pack("H*",shift);
print "Write: <"; sprint $par; print ">\n";
syswrite(SER, '\4'.$par.'\0');
}elsif ($cmd eq "mra"){
my $par=shift;
print "Write: <"; sprint $par; print ">\n";
syswrite(SER, '\4'.$par.'\0');
}elsif ($cmd eq "ch"){
my $par=pack("H*",shift);
print "Write: <"; sprint $par; print ">\n";
syswrite(SER, '\5'.$par.'\0');
}elsif ($cmd eq "len"){
my $par=pack("H*",shift);
print "Write: <"; sprint $par; print ">\n";
syswrite(SER, '\6'.$par.'\0');
}elsif ($cmd =~ /^S/){
$cmd=~s/S//;
$cmd+=1;
my $par="";
my $scmd=shift||"t";
if($scmd eq "t"){
$par.="T";
$par.=chr(shift); #gen
$par.=pack("N",scalar(time)+1*60*60);
$par.=pack("N",0);
$par.=pack("N",0);
$par.=pack("N",0);
$par.=pack("N",0);
$par.=pack("N",0);
$par.=pack("N",0);
}elsif($scmd eq "a"){
$par.="A";
$par.=chr(shift); #gen
$par.=pack("N",scalar(time)+1*60*60+ 300);
$par.= pack("C",shift||0);
$par.= pack("C",0);
$par.= pack("C",0);
$par.= pack("C",0);
$par.=pack("N",0);
$par.=pack("N",0);
$par.=pack("N",0);
$par.=pack("N",0);
$par.=pack("N",0);
}elsif($scmd eq "b"){
$par.="B";
$par.=chr(shift); #gen
$par.=pack("N",scalar(time)+1*60*60+ 300);
$par.= pack("C",shift||0);
$par.= pack("C",0);
$par.= pack("C",0);
$par.= pack("C",0);
$par.=pack("N",0);
$par.=pack("N",0);
$par.=pack("N",0);
$par.=pack("N",0);
$par.=pack("N",0);
}else{
die;
};
$par.=pack("n",crcccitt($par));
print "Write: <"; sprint $par; print ">\n";
while($cmd-->0){
syswrite(SER, '\1'.$par.'\0');
print "len: ",length($par),"\n" if($cmd==0);
my $read="";
while($read !~ /\\2.*\\0/){
my $rr="";
if (@fh = $sel->can_read(100)) {
sysread($fh[0],$rr,1024);
$read.=$rr;
}
};
if($cmd==0){
print "Send: <"; sprint $read; print ">\n";
};
};
}elsif ($cmd =~ /^s/){
$cmd=~s/s//;
$cmd+=1;
my $par=pack("H*",shift);
$par.=pack("n",crcccitt($par));
print "Write: <"; sprint $par; print ">\n";
while($cmd-->0){
syswrite(SER, '\1'.$par.'\0');
print "len: ",length($par),"\n";
my $read="";
while($read !~ /\\2.*\\0/){
my $rr="";
if (@fh = $sel->can_read(100)) {
sysread($fh[0],$rr,1024);
$read.=$rr;
}
};
print "Send: <"; sprint $read; print ">\n";
};
}else{
die;
};
if (@fh = $sel->can_read(10)) {
sysread($fh[0],$read,1024);
}
print "PostRead: <"; sprint $read; print ">\n";