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-Implement HMAC integrity algorithm

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git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@5074 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
This commit is contained in:
jbjohnso 2010-01-29 02:32:47 +00:00
parent 5004985f18
commit da608883e4
1 changed files with 23 additions and 0 deletions
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23
xCAT-server/lib/perl/xCAT/IPMI.pm
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@ -463,6 +463,8 @@ sub got_rakp4 {
}
$self->{sessionid} = $self->{pendingsessionid};
$self->{integrityalgo}='sha1';
$self->{sequencenumber}=1;
$self->{sequencenumberbytes}=[1,0,0,0];
$self->set_admin_level();
}
@ -502,6 +504,7 @@ sub got_rakp2 {
}
}
$self->{sik} = hmac_sha1(pack("C*",@{$self->{randomnumber}},@{$self->{remoterandomnumber}},4,$ulength,@user),$self->{password});
$self->{k1} = hmac_sha1(pack("C*",1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),$self->{sik});
$self->send_rakp3();
}
@ -582,6 +585,26 @@ sub sendpayload {
push @msg,@payload;
#push conf trailer (or had to do it before...
if ($self->{integrityalgo}) {
print "woo?\n";
hexdump(@msg);
my @integdata = @msg[4..(scalar @msg)-1];
hexdump(@integdata);
my $neededpad=((scalar @integdata)+2)%4;
if ($neededpad) { $neededpad = 4-$neededpad; }
for (my $i=0;$i<$neededpad;$i++) {
push @integdata,0xff;
push @msg,0xff;
}
hexdump(@integdata);
push @msg,$neededpad;
push @integdata,$neededpad;
push @msg,7;
push @integdata,7;
my $intdata = pack("C*",@integdata);
my @acode = unpack("C*",hmac_sha1($intdata,$self->{k1}));
hexdump @acode;
push @msg,splice @acode,0,12;
hexdump @msg;
#push integrity pad
#push @msg,0x7; #reserved byte in 2.0
#push integrity data