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Fix SSH2_MSG_CHANNEL_EXTENDED_DATA in logparse.

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It looks as if it's never worked at all: it had a spurious second
printf, it completely forgot to allow for the uint32 type code that
SSH2_MSG_CHANNEL_DATA doesn't have, it accessed the channel state's
sequence number fields in a way that made no sense and didn't match
the rest of the program, *and* it misinvoked the file opening API. I
must have never had an occasion to test it.

[originally from svn r10037]
This commit is contained in:
Simon Tatham 2013-09-07 16:15:11 +00:00
parent b6668d263f
commit 1472aa2a26
1 changed files with 10 additions and 8 deletions
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18
contrib/logparse.pl
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@ -323,7 +323,10 @@ my %packets = (
#define SSH2_MSG_CHANNEL_EXTENDED_DATA 95 /* 0x5f */
'SSH2_MSG_CHANNEL_EXTENDED_DATA' => sub {
my ($direction, $seq, $data) = @_;
my ($rid, $bytes) = &parse("uu", $data);
my ($rid, $type, $bytes) = &parse("uuu", $data);
if ($type == 1) {
$type = "SSH_EXTENDED_DATA_STDERR";
}
$rid = ($direction eq "i" ? "c" : "s") . $rid;
my $index = $chan_by_id{$rid};
if (!defined $index) {
@ -332,11 +335,10 @@ my %packets = (
return;
}
my $chan = $channels[$index];
my $dir = $direction eq "i" ? 'sc' : 'cs';
$chan->{$dir}{'seq'} += $bytes;
printf "ch%d (%s), %s bytes (%d--%d)\n", $index, $chan->{'id'}, $bytes,
$chan->{$dir}{$seq}-$bytes, $chan->{$dir}{$seq};
printf "ch%d (%s), %s bytes\n", $index, $chan->{'id'}, $bytes;
$chan->{$direction}{'seq'} += $bytes;
printf "ch%d (%s), type %s, %s bytes (%d--%d)\n", $index,$chan->{'id'},
$type, $bytes, $chan->{$direction}{'seq'}-$bytes,
$chan->{$direction}{'seq'};
my @realdata = splice @$data, 0, $bytes;
if ($dumpdata) {
# We treat EXTENDED_DATA as equivalent to DATA, for the
@ -347,8 +349,8 @@ my %packets = (
my $filekey = $direction . "file";
if (!defined $chan->{$filekey}) {
my $filename = sprintf "ch%d.%s", $index, $direction;
$chan->{$filekey} = FileHandle->new;
if (!$chan->{$filekey}->open(">", $filename)) {
$chan->{$filekey} = FileHandle->new(">$filename");
if (!defined $chan->{$filekey}) {
die "$filename: $!\n";
}
}