зеркало из https://github.com/github/putty.git
1330 строки
50 KiB
Perl
Executable File
1330 строки
50 KiB
Perl
Executable File
#!/usr/bin/perl
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use Getopt::Long;
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use strict;
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use warnings;
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use FileHandle;
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my $dumpchannels = 0;
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my $dumpdata = 0;
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my $pass_through_events = 0;
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my $verbose_all;
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my %verbose_packet;
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GetOptions("dump-channels|c" => \$dumpchannels,
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"dump-data|d" => \$dumpdata,
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"verbose|v" => \$verbose_all,
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"full|f=s" => sub { $verbose_packet{$_[1]} = 1; },
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"events|e" => \$pass_through_events,
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"help" => sub { &usage(\*STDOUT, 0); })
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or &usage(\*STDERR, 1);
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sub usage {
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my ($fh, $exitstatus) = @_;
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print $fh <<'EOF';
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usage: logparse.pl [ options ] [ input-log-file ]
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options: --dump-channels, -c dump the final state of every channel
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--dump-data, -d save data of every channel to ch0.i, ch0.o, ...
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--full=PKT, -f PKT print extra detail for packets of type PKT
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--verbose, -v print extra detail for all packets if available
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--events, -e copy Event Log messages from input log file
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EOF
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exit $exitstatus;
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}
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my @channels = (); # ultimate channel ids are indices in this array
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my %chan_by_id = (); # indexed by 'c%d' or 's%d' for client and server ids
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my %globalreq = (); # indexed by 'i' or 'o'
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my %packets = (
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#define SSH2_MSG_DISCONNECT 1 /* 0x1 */
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'SSH2_MSG_DISCONNECT' => sub {
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my ($direction, $seq, $data) = @_;
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my ($reason, $description, $lang) = &parse("uss", $data);
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printf "%s\n", &str($description);
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},
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#define SSH2_MSG_IGNORE 2 /* 0x2 */
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'SSH2_MSG_IGNORE' => sub {
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my ($direction, $seq, $data) = @_;
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my ($str) = &parse("s", $data);
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printf "(%d bytes)\n", length $str;
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},
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#define SSH2_MSG_UNIMPLEMENTED 3 /* 0x3 */
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'SSH2_MSG_UNIMPLEMENTED' => sub {
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my ($direction, $seq, $data) = @_;
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my ($rseq) = &parse("u", $data);
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printf "i%d\n", $rseq;
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},
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#define SSH2_MSG_DEBUG 4 /* 0x4 */
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'SSH2_MSG_DEBUG' => sub {
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my ($direction, $seq, $data) = @_;
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my ($disp, $message, $lang) = &parse("bss", $data);
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printf "%s\n", &str($message);
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},
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#define SSH2_MSG_SERVICE_REQUEST 5 /* 0x5 */
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'SSH2_MSG_SERVICE_REQUEST' => sub {
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my ($direction, $seq, $data) = @_;
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my ($service) = &parse("s", $data);
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printf "%s\n", &str($service);
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},
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#define SSH2_MSG_SERVICE_ACCEPT 6 /* 0x6 */
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'SSH2_MSG_SERVICE_ACCEPT' => sub {
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my ($direction, $seq, $data) = @_;
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my ($service) = &parse("s", $data);
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printf "%s\n", &str($service);
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},
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#define SSH2_MSG_KEXINIT 20 /* 0x14 */
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'SSH2_MSG_KEXINIT' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_NEWKEYS 21 /* 0x15 */
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'SSH2_MSG_NEWKEYS' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_KEXDH_INIT 30 /* 0x1e */
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'SSH2_MSG_KEXDH_INIT' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_KEXDH_REPLY 31 /* 0x1f */
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'SSH2_MSG_KEXDH_REPLY' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_KEX_DH_GEX_REQUEST 30 /* 0x1e */
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'SSH2_MSG_KEX_DH_GEX_REQUEST' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_KEX_DH_GEX_GROUP 31 /* 0x1f */
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'SSH2_MSG_KEX_DH_GEX_GROUP' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_KEX_DH_GEX_INIT 32 /* 0x20 */
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'SSH2_MSG_KEX_DH_GEX_INIT' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_KEX_DH_GEX_REPLY 33 /* 0x21 */
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'SSH2_MSG_KEX_DH_GEX_REPLY' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_KEXGSS_INIT 30 /* 0x1e */
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'SSH2_MSG_KEXGSS_INIT' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_KEXGSS_CONTINUE 31 /* 0x1f */
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'SSH2_MSG_KEXGSS_CONTINUE' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_KEXGSS_COMPLETE 32 /* 0x20 */
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'SSH2_MSG_KEXGSS_COMPLETE' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_KEXGSS_HOSTKEY 33 /* 0x21 */
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'SSH2_MSG_KEXGSS_HOSTKEY' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_KEXGSS_ERROR 34 /* 0x22 */
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'SSH2_MSG_KEXGSS_ERROR' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_KEXGSS_GROUPREQ 40 /* 0x28 */
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'SSH2_MSG_KEXGSS_GROUPREQ' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_KEXGSS_GROUP 41 /* 0x29 */
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'SSH2_MSG_KEXGSS_GROUP' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_KEXRSA_PUBKEY 30 /* 0x1e */
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'SSH2_MSG_KEXRSA_PUBKEY' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_KEXRSA_SECRET 31 /* 0x1f */
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'SSH2_MSG_KEXRSA_SECRET' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_KEXRSA_DONE 32 /* 0x20 */
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'SSH2_MSG_KEXRSA_DONE' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_KEX_ECDH_INIT 30 /* 0x1e */
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'SSH2_MSG_KEX_ECDH_INIT' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_KEX_ECDH_REPLY 31 /* 0x1f */
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'SSH2_MSG_KEX_ECDH_REPLY' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_USERAUTH_REQUEST 50 /* 0x32 */
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'SSH2_MSG_USERAUTH_REQUEST' => sub {
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my ($direction, $seq, $data) = @_;
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my ($user, $service, $method) = &parse("sss", $data);
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my $out = sprintf "%s %s %s",
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&str($user), &str($service), &str($method);
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if ($method eq "publickey") {
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my ($real) = &parse("b", $data);
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$out .= " real=$real";
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} elsif ($method eq "password") {
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my ($change) = &parse("b", $data);
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$out .= " change=$change";
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}
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print "$out\n";
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},
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#define SSH2_MSG_USERAUTH_FAILURE 51 /* 0x33 */
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'SSH2_MSG_USERAUTH_FAILURE' => sub {
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my ($direction, $seq, $data) = @_;
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my ($options) = &parse("s", $data);
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printf "%s\n", &str($options);
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},
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#define SSH2_MSG_USERAUTH_SUCCESS 52 /* 0x34 */
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'SSH2_MSG_USERAUTH_SUCCESS' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_USERAUTH_BANNER 53 /* 0x35 */
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'SSH2_MSG_USERAUTH_BANNER' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_USERAUTH_PK_OK 60 /* 0x3c */
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'SSH2_MSG_USERAUTH_PK_OK' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ 60 /* 0x3c */
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'SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_USERAUTH_INFO_REQUEST 60 /* 0x3c */
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'SSH2_MSG_USERAUTH_INFO_REQUEST' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_USERAUTH_INFO_RESPONSE 61 /* 0x3d */
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'SSH2_MSG_USERAUTH_INFO_RESPONSE' => sub {
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my ($direction, $seq, $data) = @_;
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print "\n";
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},
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#define SSH2_MSG_GLOBAL_REQUEST 80 /* 0x50 */
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'SSH2_MSG_GLOBAL_REQUEST' => sub {
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my ($direction, $seq, $data) = @_;
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my ($type, $wantreply) = &parse("sb", $data);
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printf "%s (%s)", $type, $wantreply eq "yes" ? "reply" : "noreply";
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my $request = [$seq, $type];
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push @{$globalreq{$direction}}, $request if $wantreply eq "yes";
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if ($type eq "tcpip-forward" or $type eq "cancel-tcpip-forward") {
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my ($addr, $port) = &parse("su", $data);
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printf " %s:%s", $addr, $port;
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push @$request, $port;
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}
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print "\n";
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},
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#define SSH2_MSG_REQUEST_SUCCESS 81 /* 0x51 */
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'SSH2_MSG_REQUEST_SUCCESS' => sub {
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my ($direction, $seq, $data) = @_;
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my $otherdir = ($direction eq "i" ? "o" : "i");
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my $request = shift @{$globalreq{$otherdir}};
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if (defined $request) {
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printf "to %s", $request->[0];
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if ($request->[1] eq "tcpip-forward" and $request->[2] == 0) {
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my ($port) = &parse("u", $data);
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printf " port=%s", $port;
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}
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} else {
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print "(spurious?)";
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}
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print "\n";
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},
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#define SSH2_MSG_REQUEST_FAILURE 82 /* 0x52 */
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'SSH2_MSG_REQUEST_FAILURE' => sub {
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my ($direction, $seq, $data) = @_;
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my $otherdir = ($direction eq "i" ? "o" : "i");
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my $request = shift @{$globalreq{$otherdir}};
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if (defined $request) {
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printf "to %s", $request->[0];
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} else {
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print "(spurious?)";
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}
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print "\n";
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},
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#define SSH2_MSG_CHANNEL_OPEN 90 /* 0x5a */
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'SSH2_MSG_CHANNEL_OPEN' => sub {
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my ($direction, $seq, $data) = @_;
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my ($type, $sid, $winsize, $packet) = &parse("suuu", $data);
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# CHANNEL_OPEN tells the other side the _sender's_ id for the
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# channel, so this choice between "s" and "c" prefixes is
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# opposite to every other message in the protocol, which all
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# quote the _recipient's_ id of the channel.
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$sid = ($direction eq "i" ? "s" : "c") . $sid;
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my $chan = {'id'=>$sid, 'state'=>'halfopen',
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'i'=>{'win'=>0, 'seq'=>0},
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'o'=>{'win'=>0, 'seq'=>0}};
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$chan->{$direction}{'win'} = $winsize;
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push @channels, $chan;
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my $index = $#channels;
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$chan_by_id{$sid} = $index;
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printf "ch%d (%s) %s (--%d)", $index, $chan->{'id'}, $type,
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$chan->{$direction}{'win'};
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if ($type eq "x11") {
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my ($addr, $port) = &parse("su", $data);
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printf " from %s:%s", $addr, $port;
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} elsif ($type eq "forwarded-tcpip") {
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my ($saddr, $sport, $paddr, $pport) = &parse("susu", $data);
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printf " to %s:%s from %s:%s", $saddr, $sport, $paddr, $pport;
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} elsif ($type eq "direct-tcpip") {
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my ($daddr, $dport, $saddr, $sport) = &parse("susu", $data);
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printf " to %s:%s from %s:%s", $daddr, $dport, $saddr, $sport;
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}
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print "\n";
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},
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#define SSH2_MSG_CHANNEL_OPEN_CONFIRMATION 91 /* 0x5b */
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'SSH2_MSG_CHANNEL_OPEN_CONFIRMATION' => sub {
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my ($direction, $seq, $data) = @_;
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my ($rid, $sid, $winsize, $packet) = &parse("uuuu", $data);
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$rid = ($direction eq "i" ? "c" : "s") . $rid;
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my $index = $chan_by_id{$rid};
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if (!defined $index) {
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printf "UNKNOWN_CHANNEL (%s) (--%d)\n", $rid, $winsize;
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return;
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}
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$sid = ($direction eq "i" ? "s" : "c") . $sid;
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$chan_by_id{$sid} = $index;
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my $chan = $channels[$index];
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$chan->{'id'} = ($direction eq "i" ? "$rid/$sid" : "$sid/$rid");
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$chan->{'state'} = 'open';
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$chan->{$direction}{'win'} = $winsize;
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printf "ch%d (%s) (--%d)\n", $index, $chan->{'id'},
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$chan->{$direction}{'win'};
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},
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#define SSH2_MSG_CHANNEL_OPEN_FAILURE 92 /* 0x5c */
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'SSH2_MSG_CHANNEL_OPEN_FAILURE' => sub {
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my ($direction, $seq, $data) = @_;
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my ($rid, $reason, $desc, $lang) = &parse("uuss", $data);
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$rid = ($direction eq "i" ? "c" : "s") . $rid;
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my $index = $chan_by_id{$rid};
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if (!defined $index) {
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printf "UNKNOWN_CHANNEL (%s) %s\n", $rid, &str($reason);
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return;
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}
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my $chan = $channels[$index];
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$chan->{'state'} = 'rejected';
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printf "ch%d (%s) %s\n", $index, $chan->{'id'}, &str($reason);
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},
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#define SSH2_MSG_CHANNEL_WINDOW_ADJUST 93 /* 0x5d */
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'SSH2_MSG_CHANNEL_WINDOW_ADJUST' => sub {
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my ($direction, $seq, $data) = @_;
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my ($rid, $bytes) = &parse("uu", $data);
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$rid = ($direction eq "i" ? "c" : "s") . $rid;
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my $index = $chan_by_id{$rid};
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if (!defined $index) {
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printf "UNKNOWN_CHANNEL (%s) +%d\n", $rid, $bytes;
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return;
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}
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my $chan = $channels[$index];
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$chan->{$direction}{'win'} += $bytes;
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printf "ch%d (%s) +%d (--%d)\n", $index, $chan->{'id'}, $bytes,
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$chan->{$direction}{'win'};
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},
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#define SSH2_MSG_CHANNEL_DATA 94 /* 0x5e */
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'SSH2_MSG_CHANNEL_DATA' => sub {
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my ($direction, $seq, $data) = @_;
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my ($rid, $bytes) = &parse("uu", $data);
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$rid = ($direction eq "i" ? "c" : "s") . $rid;
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my $index = $chan_by_id{$rid};
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if (!defined $index) {
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printf "UNKNOWN_CHANNEL (%s), %s bytes\n", $rid, $bytes;
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return;
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}
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my $chan = $channels[$index];
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$chan->{$direction}{'seq'} += $bytes;
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printf "ch%d (%s), %s bytes (%d--%d)\n", $index, $chan->{'id'}, $bytes,
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$chan->{$direction}{'seq'}-$bytes, $chan->{$direction}{'seq'};
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my @realdata = splice @$data, 0, $bytes;
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if ($dumpdata) {
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my $filekey = $direction . "file";
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if (!defined $chan->{$filekey}) {
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my $filename = sprintf "ch%d.%s", $index, $direction;
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$chan->{$filekey} = FileHandle->new(">$filename");
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if (!defined $chan->{$filekey}) {
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die "$filename: $!\n";
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}
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}
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die "channel data not present in $seq\n" if @realdata < $bytes;
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my $rawdata = pack "C*", @realdata;
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my $fh = $chan->{$filekey};
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print $fh $rawdata;
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}
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if (@realdata == $bytes and defined $chan->{$direction."data"}) {
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my $rawdata = pack "C*", @realdata;
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$chan->{$direction."data"}->($chan, $index, $direction, $rawdata);
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}
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},
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#define SSH2_MSG_CHANNEL_EXTENDED_DATA 95 /* 0x5f */
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'SSH2_MSG_CHANNEL_EXTENDED_DATA' => sub {
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my ($direction, $seq, $data) = @_;
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my ($rid, $type, $bytes) = &parse("uuu", $data);
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if ($type == 1) {
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$type = "SSH_EXTENDED_DATA_STDERR";
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}
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$rid = ($direction eq "i" ? "c" : "s") . $rid;
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my $index = $chan_by_id{$rid};
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if (!defined $index) {
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printf "UNKNOWN_CHANNEL (%s), type %s, %s bytes\n", $rid,
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$type, $bytes;
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return;
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}
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my $chan = $channels[$index];
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$chan->{$direction}{'seq'} += $bytes;
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printf "ch%d (%s), type %s, %s bytes (%d--%d)\n", $index,$chan->{'id'},
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$type, $bytes, $chan->{$direction}{'seq'}-$bytes,
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$chan->{$direction}{'seq'};
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my @realdata = splice @$data, 0, $bytes;
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if ($dumpdata) {
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# We treat EXTENDED_DATA as equivalent to DATA, for the
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# moment. It's not clear what else would be a better thing
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# to do with it, and this at least is the Right Answer if
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# the data is going to a terminal and the aim is to debug
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# the terminal emulator.
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my $filekey = $direction . "file";
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if (!defined $chan->{$filekey}) {
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my $filename = sprintf "ch%d.%s", $index, $direction;
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$chan->{$filekey} = FileHandle->new(">$filename");
|
|
if (!defined $chan->{$filekey}) {
|
|
die "$filename: $!\n";
|
|
}
|
|
}
|
|
die "channel data not present in $seq\n" if @realdata < $bytes;
|
|
my $rawdata = pack "C*", @realdata;
|
|
my $fh = $chan->{$filekey};
|
|
print $fh $rawdata;
|
|
}
|
|
if (@realdata == $bytes and defined $chan->{$direction."data"}) {
|
|
my $rawdata = pack "C*", @realdata;
|
|
$chan->{$direction."data"}->($chan, $index, $direction, $rawdata);
|
|
}
|
|
},
|
|
#define SSH2_MSG_CHANNEL_EOF 96 /* 0x60 */
|
|
'SSH2_MSG_CHANNEL_EOF' => sub {
|
|
my ($direction, $seq, $data) = @_;
|
|
my ($rid) = &parse("uu", $data);
|
|
$rid = ($direction eq "i" ? "c" : "s") . $rid;
|
|
my $index = $chan_by_id{$rid};
|
|
if (!defined $index) {
|
|
printf "UNKNOWN_CHANNEL (%s)\n", $rid;
|
|
return;
|
|
}
|
|
my $chan = $channels[$index];
|
|
printf "ch%d (%s)\n", $index, $chan->{'id'};
|
|
},
|
|
#define SSH2_MSG_CHANNEL_CLOSE 97 /* 0x61 */
|
|
'SSH2_MSG_CHANNEL_CLOSE' => sub {
|
|
my ($direction, $seq, $data) = @_;
|
|
my ($rid) = &parse("uu", $data);
|
|
$rid = ($direction eq "i" ? "c" : "s") . $rid;
|
|
my $index = $chan_by_id{$rid};
|
|
if (!defined $index) {
|
|
printf "UNKNOWN_CHANNEL (%s)\n", $rid;
|
|
return;
|
|
}
|
|
my $chan = $channels[$index];
|
|
$chan->{'state'} = ($chan->{'state'} eq "open" ? "halfclosed" :
|
|
$chan->{'state'} eq "halfclosed" ? "closed" :
|
|
"confused");
|
|
if ($chan->{'state'} eq "closed") {
|
|
$chan->{'ifile'}->close if defined $chan->{'ifile'};
|
|
$chan->{'ofile'}->close if defined $chan->{'ofile'};
|
|
}
|
|
printf "ch%d (%s)\n", $index, $chan->{'id'};
|
|
},
|
|
#define SSH2_MSG_CHANNEL_REQUEST 98 /* 0x62 */
|
|
'SSH2_MSG_CHANNEL_REQUEST' => sub {
|
|
my ($direction, $seq, $data) = @_;
|
|
my ($rid, $type, $wantreply) = &parse("usb", $data);
|
|
$rid = ($direction eq "i" ? "c" : "s") . $rid;
|
|
my $index = $chan_by_id{$rid};
|
|
my $chan;
|
|
if (!defined $index) {
|
|
printf "UNKNOWN_CHANNEL (%s) %s (%s)", $rid,
|
|
$type, $wantreply eq "yes" ? "reply" : "noreply";
|
|
} else {
|
|
$chan = $channels[$index];
|
|
printf "ch%d (%s) %s (%s)", $index, $chan->{'id'},
|
|
$type, $wantreply eq "yes" ? "reply" : "noreply";
|
|
push @{$chan->{'requests_'.$direction}}, [$seq, $type]
|
|
if $wantreply eq "yes";
|
|
}
|
|
if ($type eq "pty-req") {
|
|
my ($term, $w, $h, $pw, $ph, $modes) = &parse("suuuus", $data);
|
|
printf " %s %sx%s", &str($term), $w, $h;
|
|
} elsif ($type eq "x11-req") {
|
|
my ($single, $xprot, $xcookie, $xscreen) = &parse("bssu", $data);
|
|
print " one-off" if $single eq "yes";
|
|
printf " %s :%s", $xprot, $xscreen;
|
|
} elsif ($type eq "exec") {
|
|
my ($command) = &parse("s", $data);
|
|
printf " %s", &str($command);
|
|
} elsif ($type eq "subsystem") {
|
|
my ($subsys) = &parse("s", $data);
|
|
printf " %s", &str($subsys);
|
|
if ($subsys eq "sftp") {
|
|
&sftp_setup($index);
|
|
}
|
|
} elsif ($type eq "window-change") {
|
|
my ($w, $h, $pw, $ph) = &parse("uuuu", $data);
|
|
printf " %sx%s", $w, $h;
|
|
} elsif ($type eq "xon-xoff") {
|
|
my ($can) = &parse("b", $data);
|
|
printf " %s", $can;
|
|
} elsif ($type eq "signal") {
|
|
my ($sig) = &parse("s", $data);
|
|
printf " %s", &str($sig);
|
|
} elsif ($type eq "exit-status") {
|
|
my ($status) = &parse("u", $data);
|
|
printf " %s", $status;
|
|
} elsif ($type eq "exit-signal") {
|
|
my ($sig, $core, $error, $lang) = &parse("sbss", $data);
|
|
printf " %s", &str($sig);
|
|
print " (core dumped)" if $core eq "yes";
|
|
}
|
|
print "\n";
|
|
},
|
|
#define SSH2_MSG_CHANNEL_SUCCESS 99 /* 0x63 */
|
|
'SSH2_MSG_CHANNEL_SUCCESS' => sub {
|
|
my ($direction, $seq, $data) = @_;
|
|
my ($rid) = &parse("uu", $data);
|
|
$rid = ($direction eq "i" ? "c" : "s") . $rid;
|
|
my $index = $chan_by_id{$rid};
|
|
if (!defined $index) {
|
|
printf "UNKNOWN_CHANNEL (%s)\n", $rid;
|
|
return;
|
|
}
|
|
my $chan = $channels[$index];
|
|
printf "ch%d (%s)", $index, $chan->{'id'};
|
|
my $otherdir = ($direction eq "i" ? "o" : "i");
|
|
my $request = shift @{$chan->{'requests_' . $otherdir}};
|
|
if (defined $request) {
|
|
printf " to %s", $request->[0];
|
|
} else {
|
|
print " (spurious?)";
|
|
}
|
|
print "\n";
|
|
},
|
|
#define SSH2_MSG_CHANNEL_FAILURE 100 /* 0x64 */
|
|
'SSH2_MSG_CHANNEL_FAILURE' => sub {
|
|
my ($direction, $seq, $data) = @_;
|
|
my ($rid) = &parse("uu", $data);
|
|
$rid = ($direction eq "i" ? "c" : "s") . $rid;
|
|
my $index = $chan_by_id{$rid};
|
|
if (!defined $index) {
|
|
printf "UNKNOWN_CHANNEL (%s)\n", $rid;
|
|
return;
|
|
}
|
|
my $chan = $channels[$index];
|
|
printf "ch%d (%s)", $index, $chan->{'id'};
|
|
my $otherdir = ($direction eq "i" ? "o" : "i");
|
|
my $request = shift @{$chan->{'requests_' . $otherdir}};
|
|
if (defined $request) {
|
|
printf " to %s", $request->[0];
|
|
} else {
|
|
print " (spurious?)";
|
|
}
|
|
print "\n";
|
|
},
|
|
#define SSH2_MSG_USERAUTH_GSSAPI_RESPONSE 60
|
|
'SSH2_MSG_USERAUTH_GSSAPI_RESPONSE' => sub {
|
|
my ($direction, $seq, $data) = @_;
|
|
print "\n";
|
|
},
|
|
#define SSH2_MSG_USERAUTH_GSSAPI_TOKEN 61
|
|
'SSH2_MSG_USERAUTH_GSSAPI_TOKEN' => sub {
|
|
my ($direction, $seq, $data) = @_;
|
|
print "\n";
|
|
},
|
|
#define SSH2_MSG_USERAUTH_GSSAPI_EXCHANGE_COMPLETE 63
|
|
'SSH2_MSG_USERAUTH_GSSAPI_EXCHANGE_COMPLETE' => sub {
|
|
my ($direction, $seq, $data) = @_;
|
|
print "\n";
|
|
},
|
|
#define SSH2_MSG_USERAUTH_GSSAPI_ERROR 64
|
|
'SSH2_MSG_USERAUTH_GSSAPI_ERROR' => sub {
|
|
my ($direction, $seq, $data) = @_;
|
|
print "\n";
|
|
},
|
|
#define SSH2_MSG_USERAUTH_GSSAPI_ERRTOK 65
|
|
'SSH2_MSG_USERAUTH_GSSAPI_ERRTOK' => sub {
|
|
my ($direction, $seq, $data) = @_;
|
|
print "\n";
|
|
},
|
|
#define SSH2_MSG_USERAUTH_GSSAPI_MIC 66
|
|
'SSH2_MSG_USERAUTH_GSSAPI_MIC' => sub {
|
|
my ($direction, $seq, $data) = @_;
|
|
print "\n";
|
|
},
|
|
);
|
|
|
|
our %disc_reasons = (
|
|
1 => "SSH_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT",
|
|
2 => "SSH_DISCONNECT_PROTOCOL_ERROR",
|
|
3 => "SSH_DISCONNECT_KEY_EXCHANGE_FAILED",
|
|
4 => "SSH_DISCONNECT_RESERVED",
|
|
5 => "SSH_DISCONNECT_MAC_ERROR",
|
|
6 => "SSH_DISCONNECT_COMPRESSION_ERROR",
|
|
7 => "SSH_DISCONNECT_SERVICE_NOT_AVAILABLE",
|
|
8 => "SSH_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED",
|
|
9 => "SSH_DISCONNECT_HOST_KEY_NOT_VERIFIABLE",
|
|
10 => "SSH_DISCONNECT_CONNECTION_LOST",
|
|
11 => "SSH_DISCONNECT_BY_APPLICATION",
|
|
12 => "SSH_DISCONNECT_TOO_MANY_CONNECTIONS",
|
|
13 => "SSH_DISCONNECT_AUTH_CANCELLED_BY_USER",
|
|
14 => "SSH_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE",
|
|
15 => "SSH_DISCONNECT_ILLEGAL_USER_NAME",
|
|
);
|
|
|
|
my %verbose_packet_dump_functions = (
|
|
'SSH2_MSG_KEXINIT' => sub {
|
|
my ($data) = @_;
|
|
my ($cookie0, $cookie1, $cookie2, $cookie3,
|
|
$kex, $hostkey, $cscipher, $sccipher, $csmac, $scmac,
|
|
$cscompress, $sccompress, $cslang, $sclang, $guess, $reserved) =
|
|
&parse("uuuussssssssssbu", $data);
|
|
printf(" cookie: %08x%08x%08x%08x\n",
|
|
$cookie0, $cookie1, $cookie2, $cookie3);
|
|
my $print_namelist = sub {
|
|
my @names = split /,/, $_[1];
|
|
printf " %s: name-list with %d items%s\n", $_[0], (scalar @names),
|
|
join "", map { "\n $_" } @names;
|
|
};
|
|
$print_namelist->("kex", $kex);
|
|
$print_namelist->("host key", $hostkey);
|
|
$print_namelist->("client->server cipher", $cscipher);
|
|
$print_namelist->("server->client cipher", $sccipher);
|
|
$print_namelist->("client->server MAC", $csmac);
|
|
$print_namelist->("server->client MAC", $scmac);
|
|
$print_namelist->("client->server compression", $cscompress);
|
|
$print_namelist->("server->client compression", $sccompress);
|
|
$print_namelist->("client->server language", $cslang);
|
|
$print_namelist->("server->client language", $sclang);
|
|
printf " first kex packet follows: %s\n", $guess;
|
|
printf " reserved field: %#x\n", $reserved;
|
|
},
|
|
'SSH2_MSG_KEXDH_INIT' => sub {
|
|
my ($data) = @_;
|
|
my ($e) = &parse("m", $data);
|
|
printf " e: %s\n", $e;
|
|
},
|
|
'SSH2_MSG_KEX_DH_GEX_REQUEST' => sub {
|
|
my ($data) = @_;
|
|
my ($min, $pref, $max) = &parse("uuu", $data);
|
|
printf " min bits: %d\n", $min;
|
|
printf " preferred bits: %d\n", $pref;
|
|
printf " max bits: %d\n", $max;
|
|
},
|
|
'SSH2_MSG_KEX_DH_GEX_GROUP' => sub {
|
|
my ($data) = @_;
|
|
my ($p, $g) = &parse("mm", $data);
|
|
printf " p: %s\n", $p;
|
|
printf " g: %s\n", $g;
|
|
},
|
|
'SSH2_MSG_KEX_DH_GEX_INIT' => sub {
|
|
my ($data) = @_;
|
|
my ($e) = &parse("m", $data);
|
|
printf " e: %s\n", $e;
|
|
},
|
|
'SSH2_MSG_KEX_ECDH_INIT' => sub {
|
|
my ($data) = @_;
|
|
my ($cpv) = &parse("s", $data);
|
|
# Public values in ECDH depend for their interpretation on the
|
|
# selected curve, and this script doesn't cross-analyse the
|
|
# two KEXINIT packets to independently figure out what that
|
|
# curve is. So the best we can do is just dump the raw data.
|
|
printf " client public value: %s\n", (unpack "H*", $cpv);
|
|
},
|
|
'SSH2_MSG_KEXDH_REPLY' => sub {
|
|
my ($data) = @_;
|
|
my ($hostkeyblob, $f, $sigblob) = &parse("sms", $data);
|
|
my ($hktype, @hostkey) = &parse_public_key($hostkeyblob);
|
|
printf " host key: %s\n", $hktype;
|
|
while (@hostkey) {
|
|
my ($key, $value) = splice @hostkey, 0, 2;
|
|
printf " $key: $value\n";
|
|
}
|
|
printf " f: %s\n", $f;
|
|
printf " signature:\n";
|
|
my @signature = &parse_signature($sigblob, $hktype);
|
|
while (@signature) {
|
|
my ($key, $value) = splice @signature, 0, 2;
|
|
printf " $key: $value\n";
|
|
}
|
|
},
|
|
'SSH2_MSG_KEX_DH_GEX_REPLY' => sub {
|
|
my ($data) = @_;
|
|
my ($hostkeyblob, $f, $sigblob) = &parse("sms", $data);
|
|
my ($hktype, @hostkey) = &parse_public_key($hostkeyblob);
|
|
printf " host key: %s\n", $hktype;
|
|
while (@hostkey) {
|
|
my ($key, $value) = splice @hostkey, 0, 2;
|
|
printf " $key: $value\n";
|
|
}
|
|
printf " f: %s\n", $f;
|
|
printf " signature:\n";
|
|
my @signature = &parse_signature($sigblob, $hktype);
|
|
while (@signature) {
|
|
my ($key, $value) = splice @signature, 0, 2;
|
|
printf " $key: $value\n";
|
|
}
|
|
},
|
|
'SSH2_MSG_KEX_ECDH_REPLY' => sub {
|
|
my ($data) = @_;
|
|
my ($hostkeyblob, $spv, $sigblob) = &parse("sss", $data);
|
|
my ($hktype, @hostkey) = &parse_public_key($hostkeyblob);
|
|
printf " host key: %s\n", $hktype;
|
|
while (@hostkey) {
|
|
my ($key, $value) = splice @hostkey, 0, 2;
|
|
printf " $key: $value\n";
|
|
}
|
|
printf " server public value: %s\n", (unpack "H*", $spv);
|
|
printf " signature:\n";
|
|
my @signature = &parse_signature($sigblob, $hktype);
|
|
while (@signature) {
|
|
my ($key, $value) = splice @signature, 0, 2;
|
|
printf " $key: $value\n";
|
|
}
|
|
},
|
|
'SSH2_MSG_NEWKEYS' => sub {},
|
|
'SSH2_MSG_SERVICE_REQUEST' => sub {
|
|
my ($data) = @_;
|
|
my ($servname) = &parse("s", $data);
|
|
printf " service name: %s\n", $servname;
|
|
},
|
|
'SSH2_MSG_SERVICE_ACCEPT' => sub {
|
|
my ($data) = @_;
|
|
my ($servname) = &parse("s", $data);
|
|
printf " service name: %s\n", $servname;
|
|
},
|
|
'SSH2_MSG_DISCONNECT' => sub {
|
|
my ($data) = @_;
|
|
my ($reason, $desc, $lang) = &parse("uss", $data);
|
|
printf(" reason code: %d%s\n", $reason,
|
|
defined $disc_reasons{$reason} ?
|
|
" ($disc_reasons{$reason})" : "" );
|
|
printf " description: '%s'\n", $desc;
|
|
printf " language tag: '%s'\n", $lang;
|
|
},
|
|
'SSH2_MSG_DEBUG' => sub {
|
|
my ($data) = @_;
|
|
my ($display, $desc, $lang) = &parse("bss", $data);
|
|
printf " always display: %s\n", $display;
|
|
printf " description: '%s'\n", $desc;
|
|
printf " language tag: '%s'\n", $lang;
|
|
},
|
|
'SSH2_MSG_IGNORE' => sub {
|
|
my ($data) = @_;
|
|
my ($payload) = &parse("s", $data);
|
|
printf " data: %s\n", unpack "H*", $payload;
|
|
},
|
|
'SSH2_MSG_UNIMPLEMENTED' => sub {
|
|
my ($data) = @_;
|
|
my ($seq) = &parse("u", $data);
|
|
printf " sequence number: %d\n", $seq;
|
|
},
|
|
'SSH2_MSG_KEXGSS_INIT' => sub {
|
|
my ($data) = @_;
|
|
my ($token, $e) = &parse("sm", $data);
|
|
printf " output token: %s\n", unpack "H*", $token;
|
|
printf " e: %s\n", $e;
|
|
},
|
|
'SSH2_MSG_KEXGSS_CONTINUE' => sub {
|
|
my ($data) = @_;
|
|
my ($token) = &parse("s", $data);
|
|
printf " output token: %s\n", unpack "H*", $token;
|
|
},
|
|
'SSH2_MSG_KEXGSS_COMPLETE' => sub {
|
|
my ($data) = @_;
|
|
my ($f, $permsgtoken, $got_output) = &parse("msb", $data);
|
|
printf " f: %s\n", $f;
|
|
printf " per-message token: %s\n", unpack "H*", $permsgtoken;
|
|
printf " output token present: %s\n", $got_output;
|
|
if ($got_output eq "yes") {
|
|
my ($token) = &parse("s", $data);
|
|
printf " output token: %s\n", unpack "H*", $token;
|
|
}
|
|
},
|
|
'SSH2_MSG_KEXGSS_HOSTKEY' => sub {
|
|
my ($data) = @_;
|
|
my ($hostkey) = &parse("s", $data);
|
|
printf " host key: %s\n", unpack "H*", $hostkey;
|
|
},
|
|
'SSH2_MSG_KEXGSS_ERROR' => sub {
|
|
my ($data) = @_;
|
|
my ($maj, $min, $msg, $lang) = &parse("uuss", $data);
|
|
printf " major status: %d\n", $maj;
|
|
printf " minor status: %d\n", $min;
|
|
printf " message: '%s'\n", $msg;
|
|
printf " language tag: '%s'\n", $lang;
|
|
},
|
|
'SSH2_MSG_KEXGSS_GROUPREQ' => sub {
|
|
my ($data) = @_;
|
|
my ($min, $pref, $max) = &parse("uuu", $data);
|
|
printf " min bits: %d\n", $min;
|
|
printf " preferred bits: %d\n", $pref;
|
|
printf " max bits: %d\n", $max;
|
|
},
|
|
'SSH2_MSG_KEXGSS_GROUP' => sub {
|
|
my ($data) = @_;
|
|
my ($p, $g) = &parse("mm", $data);
|
|
printf " p: %s\n", $p;
|
|
printf " g: %s\n", $g;
|
|
},
|
|
);
|
|
|
|
my %sftp_packets = (
|
|
#define SSH_FXP_INIT 1 /* 0x1 */
|
|
0x1 => sub {
|
|
my ($chan, $index, $direction, $id, $data) = @_;
|
|
my ($ver) = &parse("u", $data);
|
|
printf "SSH_FXP_INIT %d\n", $ver;
|
|
},
|
|
#define SSH_FXP_VERSION 2 /* 0x2 */
|
|
0x2 => sub {
|
|
my ($chan, $index, $direction, $id, $data) = @_;
|
|
my ($ver) = &parse("u", $data);
|
|
printf "SSH_FXP_VERSION %d\n", $ver;
|
|
},
|
|
#define SSH_FXP_OPEN 3 /* 0x3 */
|
|
0x3 => sub {
|
|
my ($chan, $index, $direction, $id, $data) = @_;
|
|
my ($reqid, $path, $pflags) = &parse("usu", $data);
|
|
&sftp_logreq($chan, $direction, $reqid, $id, "SSH_FXP_OPEN");
|
|
printf " \"%s\" ", $path;
|
|
if ($pflags eq 0) {
|
|
print "0";
|
|
} else {
|
|
my $sep = "";
|
|
if ($pflags & 1) { $pflags ^= 1; print "${sep}READ"; $sep = "|"; }
|
|
if ($pflags & 2) { $pflags ^= 2; print "${sep}WRITE"; $sep = "|"; }
|
|
if ($pflags & 4) { $pflags ^= 4; print "${sep}APPEND"; $sep = "|"; }
|
|
if ($pflags & 8) { $pflags ^= 8; print "${sep}CREAT"; $sep = "|"; }
|
|
if ($pflags & 16) { $pflags ^= 16; print "${sep}TRUNC"; $sep = "|"; }
|
|
if ($pflags & 32) { $pflags ^= 32; print "${sep}EXCL"; $sep = "|"; }
|
|
if ($pflags) { print "${sep}${pflags}"; }
|
|
}
|
|
print "\n";
|
|
},
|
|
#define SSH_FXP_CLOSE 4 /* 0x4 */
|
|
0x4 => sub {
|
|
my ($chan, $index, $direction, $id, $data) = @_;
|
|
my ($reqid, $handle) = &parse("us", $data);
|
|
&sftp_logreq($chan, $direction, $reqid, $id, "SSH_FXP_CLOSE");
|
|
printf " \"%s\"", &stringescape($handle);
|
|
print "\n";
|
|
},
|
|
#define SSH_FXP_READ 5 /* 0x5 */
|
|
0x5 => sub {
|
|
my ($chan, $index, $direction, $id, $data) = @_;
|
|
my ($reqid, $handle, $offset, $len) = &parse("usUu", $data);
|
|
&sftp_logreq($chan, $direction, $reqid, $id, "SSH_FXP_READ");
|
|
printf " \"%s\" %d %d", &stringescape($handle), $offset, $len;
|
|
print "\n";
|
|
},
|
|
#define SSH_FXP_WRITE 6 /* 0x6 */
|
|
0x6 => sub {
|
|
my ($chan, $index, $direction, $id, $data) = @_;
|
|
my ($reqid, $handle, $offset, $wdata) = &parse("usUs", $data);
|
|
&sftp_logreq($chan, $direction, $reqid, $id, "SSH_FXP_WRITE");
|
|
printf " \"%s\" %d [%d bytes]", &stringescape($handle), $offset, length $wdata;
|
|
print "\n";
|
|
},
|
|
#define SSH_FXP_LSTAT 7 /* 0x7 */
|
|
0x7 => sub {
|
|
my ($chan, $index, $direction, $id, $data) = @_;
|
|
my ($reqid, $path) = &parse("us", $data);
|
|
&sftp_logreq($chan, $direction, $reqid, $id, "SSH_FXP_LSTAT");
|
|
printf " \"%s\"", $path;
|
|
print "\n";
|
|
},
|
|
#define SSH_FXP_FSTAT 8 /* 0x8 */
|
|
0x8 => sub {
|
|
my ($chan, $index, $direction, $id, $data) = @_;
|
|
my ($reqid, $handle) = &parse("us", $data);
|
|
&sftp_logreq($chan, $direction, $reqid, $id, "SSH_FXP_FSTAT");
|
|
printf " \"%s\"", &stringescape($handle);
|
|
print "\n";
|
|
},
|
|
#define SSH_FXP_SETSTAT 9 /* 0x9 */
|
|
0x9 => sub {
|
|
my ($chan, $index, $direction, $id, $data) = @_;
|
|
my ($reqid, $path) = &parse("us", $data);
|
|
&sftp_logreq($chan, $direction, $reqid, $id, "SSH_FXP_SETSTAT");
|
|
my $attrs = &sftp_parse_attrs($data);
|
|
printf " \"%s\" %s", $path, $attrs;
|
|
print "\n";
|
|
},
|
|
#define SSH_FXP_FSETSTAT 10 /* 0xa */
|
|
0xa => sub {
|
|
my ($chan, $index, $direction, $id, $data) = @_;
|
|
my ($reqid, $handle) = &parse("us", $data);
|
|
&sftp_logreq($chan, $direction, $reqid, $id, "SSH_FXP_FSETSTAT");
|
|
my $attrs = &sftp_parse_attrs($data);
|
|
printf " \"%s\" %s", &stringescape($handle), $attrs;
|
|
print "\n";
|
|
},
|
|
#define SSH_FXP_OPENDIR 11 /* 0xb */
|
|
0xb => sub {
|
|
my ($chan, $index, $direction, $id, $data) = @_;
|
|
my ($reqid, $path) = &parse("us", $data);
|
|
&sftp_logreq($chan, $direction, $reqid, $id, "SSH_FXP_OPENDIR");
|
|
printf " \"%s\"", $path;
|
|
print "\n";
|
|
},
|
|
#define SSH_FXP_READDIR 12 /* 0xc */
|
|
0xc => sub {
|
|
my ($chan, $index, $direction, $id, $data) = @_;
|
|
my ($reqid, $handle) = &parse("us", $data);
|
|
&sftp_logreq($chan, $direction, $reqid, $id, "SSH_FXP_READDIR");
|
|
printf " \"%s\"", &stringescape($handle);
|
|
print "\n";
|
|
},
|
|
#define SSH_FXP_REMOVE 13 /* 0xd */
|
|
0xd => sub {
|
|
my ($chan, $index, $direction, $id, $data) = @_;
|
|
my ($reqid, $path) = &parse("us", $data);
|
|
&sftp_logreq($chan, $direction, $reqid, $id, "SSH_FXP_REMOVE");
|
|
printf " \"%s\"", $path;
|
|
print "\n";
|
|
},
|
|
#define SSH_FXP_MKDIR 14 /* 0xe */
|
|
0xe => sub {
|
|
my ($chan, $index, $direction, $id, $data) = @_;
|
|
my ($reqid, $path) = &parse("us", $data);
|
|
&sftp_logreq($chan, $direction, $reqid, $id, "SSH_FXP_MKDIR");
|
|
printf " \"%s\"", $path;
|
|
print "\n";
|
|
},
|
|
#define SSH_FXP_RMDIR 15 /* 0xf */
|
|
0xf => sub {
|
|
my ($chan, $index, $direction, $id, $data) = @_;
|
|
my ($reqid, $path) = &parse("us", $data);
|
|
&sftp_logreq($chan, $direction, $reqid, $id, "SSH_FXP_RMDIR");
|
|
printf " \"%s\"", $path;
|
|
print "\n";
|
|
},
|
|
#define SSH_FXP_REALPATH 16 /* 0x10 */
|
|
0x10 => sub {
|
|
my ($chan, $index, $direction, $id, $data) = @_;
|
|
my ($reqid, $path) = &parse("us", $data);
|
|
&sftp_logreq($chan, $direction, $reqid, $id, "SSH_FXP_REALPATH");
|
|
printf " \"%s\"", $path;
|
|
print "\n";
|
|
},
|
|
#define SSH_FXP_STAT 17 /* 0x11 */
|
|
0x11 => sub {
|
|
my ($chan, $index, $direction, $id, $data) = @_;
|
|
my ($reqid, $path) = &parse("us", $data);
|
|
&sftp_logreq($chan, $direction, $reqid, $id, "SSH_FXP_STAT");
|
|
printf " \"%s\"", $path;
|
|
print "\n";
|
|
},
|
|
#define SSH_FXP_RENAME 18 /* 0x12 */
|
|
0x12 => sub {
|
|
my ($chan, $index, $direction, $id, $data) = @_;
|
|
my ($reqid, $srcpath, $dstpath) = &parse("uss", $data);
|
|
&sftp_logreq($chan, $direction, $reqid, $id, "SSH_FXP_RENAME");
|
|
printf " \"%s\" \"%s\"", $srcpath, $dstpath;
|
|
print "\n";
|
|
},
|
|
#define SSH_FXP_STATUS 101 /* 0x65 */
|
|
0x65 => sub {
|
|
my ($chan, $index, $direction, $id, $data) = @_;
|
|
my ($reqid, $status) = &parse("uu", $data);
|
|
&sftp_logreply($chan, $direction, $reqid, $id, "SSH_FXP_STATUS");
|
|
print " ";
|
|
if ($status eq "0") { print "SSH_FX_OK"; }
|
|
elsif ($status eq "1") { print "SSH_FX_EOF"; }
|
|
elsif ($status eq "2") { print "SSH_FX_NO_SUCH_FILE"; }
|
|
elsif ($status eq "3") { print "SSH_FX_PERMISSION_DENIED"; }
|
|
elsif ($status eq "4") { print "SSH_FX_FAILURE"; }
|
|
elsif ($status eq "5") { print "SSH_FX_BAD_MESSAGE"; }
|
|
elsif ($status eq "6") { print "SSH_FX_NO_CONNECTION"; }
|
|
elsif ($status eq "7") { print "SSH_FX_CONNECTION_LOST"; }
|
|
elsif ($status eq "8") { print "SSH_FX_OP_UNSUPPORTED"; }
|
|
else { printf "[unknown status %d]", $status; }
|
|
print "\n";
|
|
},
|
|
#define SSH_FXP_HANDLE 102 /* 0x66 */
|
|
0x66 => sub {
|
|
my ($chan, $index, $direction, $id, $data) = @_;
|
|
my ($reqid, $handle) = &parse("us", $data);
|
|
&sftp_logreply($chan, $direction, $reqid, $id, "SSH_FXP_HANDLE");
|
|
printf " \"%s\"", &stringescape($handle);
|
|
print "\n";
|
|
},
|
|
#define SSH_FXP_DATA 103 /* 0x67 */
|
|
0x67 => sub {
|
|
my ($chan, $index, $direction, $id, $data) = @_;
|
|
my ($reqid, $retdata) = &parse("us", $data);
|
|
&sftp_logreply($chan, $direction, $reqid, $id, "SSH_FXP_DATA");
|
|
printf " [%d bytes]", length $retdata;
|
|
print "\n";
|
|
},
|
|
#define SSH_FXP_NAME 104 /* 0x68 */
|
|
0x68 => sub {
|
|
my ($chan, $index, $direction, $id, $data) = @_;
|
|
my ($reqid, $count) = &parse("uu", $data);
|
|
&sftp_logreply($chan, $direction, $reqid, $id, "SSH_FXP_NAME");
|
|
for my $i (1..$count) {
|
|
my ($name, $longname) = &parse("ss", $data);
|
|
my $attrs = &sftp_parse_attrs($data);
|
|
print " [name=\"$name\", longname=\"$longname\", attrs=$attrs]";
|
|
}
|
|
print "\n";
|
|
},
|
|
#define SSH_FXP_ATTRS 105 /* 0x69 */
|
|
0x69 => sub {
|
|
my ($chan, $index, $direction, $id, $data) = @_;
|
|
my ($reqid) = &parse("u", $data);
|
|
&sftp_logreply($chan, $direction, $reqid, $id, "SSH_FXP_ATTRS");
|
|
my $attrs = &sftp_parse_attrs($data);
|
|
printf " %s", $attrs;
|
|
print "\n";
|
|
},
|
|
#define SSH_FXP_EXTENDED 200 /* 0xc8 */
|
|
0xc8 => sub {
|
|
my ($chan, $index, $direction, $id, $data) = @_;
|
|
my ($reqid, $type) = &parse("us", $data);
|
|
&sftp_logreq($chan, $direction, $reqid, $id, "SSH_FXP_EXTENDED");
|
|
printf " \"%s\"", $type;
|
|
print "\n";
|
|
},
|
|
#define SSH_FXP_EXTENDED_REPLY 201 /* 0xc9 */
|
|
0xc9 => sub {
|
|
my ($chan, $index, $direction, $id, $data) = @_;
|
|
my ($reqid) = &parse("u", $data);
|
|
print "\n";
|
|
&sftp_logreply($chan, $direction, $reqid,$id,"SSH_FXP_EXTENDED_REPLY");
|
|
},
|
|
);
|
|
|
|
for my $type (keys %verbose_packet) {
|
|
if (!defined $verbose_packet_dump_functions{$type}) {
|
|
die "no verbose dump available for packet type $type\n";
|
|
}
|
|
}
|
|
|
|
my ($direction, $seq, $ourseq, $type, $data, $recording);
|
|
my %ourseqs = ('i'=>0, 'o'=>0);
|
|
|
|
$recording = 0;
|
|
while (<>) {
|
|
if ($recording) {
|
|
if (/^ [0-9a-fA-F]{8} ((?:[0-9a-fA-F]{2} )*[0-9a-fA-F]{2})/) {
|
|
push @$data, map { $_ eq "XX" ? -1 : hex $_ } split / /, $1;
|
|
} else {
|
|
$recording = 0;
|
|
my $fullseq = "$direction$ourseq";
|
|
print "$fullseq: $type ";
|
|
|
|
my ($verbose_dump, $verbose_data) = undef;
|
|
if (defined $verbose_packet_dump_functions{$type} &&
|
|
($verbose_all || defined $verbose_packet{$type})) {
|
|
$verbose_dump = $verbose_packet_dump_functions{$type};
|
|
$verbose_data = [ @$data ];
|
|
}
|
|
|
|
if (defined $packets{$type}) {
|
|
$packets{$type}->($direction, $fullseq, $data);
|
|
} else {
|
|
printf "raw %s\n", join "", map { sprintf "%02x", $_ } @$data;
|
|
}
|
|
if (defined $verbose_dump) {
|
|
$verbose_dump->($verbose_data);
|
|
if (@$verbose_data) {
|
|
printf(" trailing bytes: %s\n",
|
|
unpack "H*", pack "C*", @$verbose_data);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (/^(Incoming|Outgoing) packet #0x([0-9a-fA-F]+), type \d+ \/ 0x[0-9a-fA-F]+ \((.*)\)/) {
|
|
$direction = ($1 eq "Incoming" ? 'i' : 'o');
|
|
# $seq is the sequence number quoted in the log file. $ourseq
|
|
# is our own count of the sequence number, which differs in
|
|
# that it shouldn't wrap at 2^32, should anyone manage to run
|
|
# this script over such a huge log file.
|
|
$seq = hex $2;
|
|
$ourseq = $ourseqs{$direction}++;
|
|
$type = $3;
|
|
$data = [];
|
|
$recording = 1;
|
|
}
|
|
if ($pass_through_events && m/^Event Log: ([^\n]*)$/) {
|
|
printf "event: $1\n";
|
|
}
|
|
}
|
|
|
|
if ($dumpchannels) {
|
|
my %stateorder = ('closed'=>0, 'rejected'=>1,
|
|
'halfclosed'=>2, 'open'=>3, 'halfopen'=>4);
|
|
for my $index (0..$#channels) {
|
|
my $chan = $channels[$index];
|
|
my $so = $stateorder{$chan->{'state'}};
|
|
$so = 1000 unless defined $so; # any state I've missed above comes last
|
|
$chan->{'index'} = sprintf "ch%d", $index;
|
|
$chan->{'order'} = sprintf "%08d %08d", $so, $index;
|
|
}
|
|
my @sortedchannels = sort { $a->{'order'} cmp $b->{'order'} } @channels;
|
|
for my $chan (@sortedchannels) {
|
|
printf "%s (%s): %s\n", $chan->{'index'}, $chan->{'id'}, $chan->{'state'};
|
|
}
|
|
}
|
|
|
|
sub format_unsigned_hex_integer {
|
|
my $abs = join "", map { sprintf "%02x", $_ } @_;
|
|
$abs =~ s!^0*!!g;
|
|
$abs = "0" if $abs eq "";
|
|
return "0x" . $abs;
|
|
}
|
|
|
|
sub parseone {
|
|
my ($type, $data) = @_;
|
|
if ($type eq "u") { # uint32
|
|
my @bytes = splice @$data, 0, 4;
|
|
return "<missing>" if @bytes < 4 or grep { $_<0 } @bytes;
|
|
return unpack "N", pack "C*", @bytes;
|
|
} elsif ($type eq "U") { # uint64
|
|
my @bytes = splice @$data, 0, 8;
|
|
return "<missing>" if @bytes < 8 or grep { $_<0 } @bytes;
|
|
my @words = unpack "NN", pack "C*", @bytes;
|
|
return ($words[0] << 32) + $words[1];
|
|
} elsif ($type eq "b") { # boolean
|
|
my $byte = shift @$data;
|
|
return "<missing>" if !defined $byte or $byte < 0;
|
|
return $byte ? "yes" : "no";
|
|
} elsif ($type eq "B") { # byte
|
|
my $byte = shift @$data;
|
|
return "<missing>" if !defined $byte or $byte < 0;
|
|
return $byte;
|
|
} elsif ($type eq "s" or $type eq "m") { # string, mpint
|
|
my @bytes = splice @$data, 0, 4;
|
|
return "<missing>" if @bytes < 4 or grep { $_<0 } @bytes;
|
|
my $len = unpack "N", pack "C*", @bytes;
|
|
@bytes = splice @$data, 0, $len;
|
|
return "<missing>" if @bytes < $len or grep { $_<0 } @bytes;
|
|
if ($type eq "m") {
|
|
my $str = "";
|
|
if ($bytes[0] >= 128) {
|
|
# Take two's complement.
|
|
@bytes = map { 0xFF ^ $_ } @bytes;
|
|
for my $i (reverse 0..$#bytes) {
|
|
if ($bytes[$i] < 0xFF) {
|
|
$bytes[$i]++;
|
|
last;
|
|
} else {
|
|
$bytes[$i] = 0;
|
|
}
|
|
}
|
|
$str = "-";
|
|
}
|
|
$str .= &format_unsigned_hex_integer(@bytes);
|
|
return $str;
|
|
} else {
|
|
return pack "C*", @bytes;
|
|
}
|
|
}
|
|
}
|
|
|
|
sub parse {
|
|
my ($template, $data) = @_;
|
|
return map { &parseone($_, $data) } split //, $template;
|
|
}
|
|
|
|
sub str {
|
|
# Quote as a string. If I get enthusiastic I might arrange for
|
|
# strange characters inside the string to be quoted.
|
|
my $str = shift @_;
|
|
return "'$str'";
|
|
}
|
|
|
|
sub sftp_setup {
|
|
my $index = shift @_;
|
|
my $chan = $channels[$index];
|
|
$chan->{'obuf'} = $chan->{'ibuf'} = '';
|
|
$chan->{'ocnt'} = $chan->{'icnt'} = 0;
|
|
$chan->{'odata'} = $chan->{'idata'} = \&sftp_data;
|
|
$chan->{'sftpreqs'} = {};
|
|
}
|
|
|
|
sub sftp_data {
|
|
my ($chan, $index, $direction, $data) = @_;
|
|
my $buf = \$chan->{$direction."buf"};
|
|
my $cnt = \$chan->{$direction."cnt"};
|
|
$$buf .= $data;
|
|
while (length $$buf >= 4) {
|
|
my $msglen = unpack "N", $$buf;
|
|
last if length $$buf < 4 + $msglen;
|
|
my $msg = substr $$buf, 4, $msglen;
|
|
$$buf = substr $$buf, 4 + $msglen;
|
|
$msg = [unpack "C*", $msg];
|
|
my $type = shift @$msg;
|
|
my $id = sprintf "ch%d_sftp_%s%d", $index, $direction, ${$cnt}++;
|
|
print "$id: ";
|
|
if (defined $sftp_packets{$type}) {
|
|
$sftp_packets{$type}->($chan, $index, $direction, $id, $msg);
|
|
} else {
|
|
printf "unknown SFTP packet type %d\n", $type;
|
|
}
|
|
}
|
|
}
|
|
|
|
sub sftp_logreq {
|
|
my ($chan, $direction, $reqid, $id, $name) = @_;
|
|
print "$name";
|
|
if ($direction eq "o") { # requests coming _in_ are too weird to track
|
|
$chan->{'sftpreqs'}->{$reqid} = $id;
|
|
}
|
|
}
|
|
|
|
sub sftp_logreply {
|
|
my ($chan, $direction, $reqid, $id, $name) = @_;
|
|
print "$name";
|
|
if ($direction eq "i") { # replies going _out_ are too weird to track
|
|
if (defined $chan->{'sftpreqs'}->{$reqid}) {
|
|
print " to ", $chan->{'sftpreqs'}->{$reqid};
|
|
$chan->{'sftpreqs'}->{$reqid} = undef;
|
|
}
|
|
}
|
|
}
|
|
|
|
sub sftp_parse_attrs {
|
|
my ($data) = @_;
|
|
my ($flags) = &parse("u", $data);
|
|
return $flags if $flags eq "<missing>";
|
|
my $out = "{";
|
|
my $sep = "";
|
|
if ($flags & 0x00000001) { # SSH_FILEXFER_ATTR_SIZE
|
|
$out .= $sep . sprintf "size=%d", &parse("U", $data);
|
|
$sep = ", ";
|
|
}
|
|
if ($flags & 0x00000002) { # SSH_FILEXFER_ATTR_UIDGID
|
|
$out .= $sep . sprintf "uid=%d", &parse("u", $data);
|
|
$out .= $sep . sprintf "gid=%d", &parse("u", $data);
|
|
$sep = ", ";
|
|
}
|
|
if ($flags & 0x00000004) { # SSH_FILEXFER_ATTR_PERMISSIONS
|
|
$out .= $sep . sprintf "perms=%#o", &parse("u", $data);
|
|
$sep = ", ";
|
|
}
|
|
if ($flags & 0x00000008) { # SSH_FILEXFER_ATTR_ACMODTIME
|
|
$out .= $sep . sprintf "atime=%d", &parse("u", $data);
|
|
$out .= $sep . sprintf "mtime=%d", &parse("u", $data);
|
|
$sep = ", ";
|
|
}
|
|
if ($flags & 0x80000000) { # SSH_FILEXFER_ATTR_EXTENDED
|
|
my $extcount = &parse("u", $data);
|
|
while ($extcount-- > 0) {
|
|
$out .= $sep . sprintf "\"%s\"=\"%s\"", &parse("ss", $data);
|
|
$sep = ", ";
|
|
}
|
|
}
|
|
$out .= "}";
|
|
return $out;
|
|
}
|
|
|
|
sub parse_public_key {
|
|
my ($blob) = @_;
|
|
my $data = [ unpack "C*", $blob ];
|
|
my @toret;
|
|
my ($type) = &parse("s", $data);
|
|
push @toret, $type;
|
|
if ($type eq "ssh-rsa") {
|
|
my ($e, $n) = &parse("mm", $data);
|
|
push @toret, "e", $e, "n", $n;
|
|
} elsif ($type eq "ssh-dss") {
|
|
my ($p, $q, $g, $y) = &parse("mmmm", $data);
|
|
push @toret, "p", $p, "q", $q, "g", $g, "y", $y;
|
|
} elsif ($type eq "ssh-ed25519") {
|
|
my ($xyblob) = &parse("s", $data);
|
|
my @y = unpack "C*", $xyblob;
|
|
push @toret, "hibit(x)", $y[$#y] & 1;
|
|
$y[$#y] &= ~1;
|
|
push @toret, "y & ~1", &format_unsigned_hex_integer(@y);
|
|
} elsif ($type =~ m!^ecdsa-sha2-nistp(256|384|521)$!) {
|
|
my ($curvename, $blob) = &parse("ss", $data);
|
|
push @toret, "curve name", $curvename;
|
|
my @blobdata = unpack "C*", $blob;
|
|
my ($fmt) = &parse("B", \@blobdata);
|
|
push @toret, "format byte", $fmt;
|
|
if ($fmt == 4) {
|
|
push @toret, "x", &format_unsigned_hex_integer(
|
|
@blobdata[0..($#blobdata+1)/2-1]);
|
|
push @toret, "y", &format_unsigned_hex_integer(
|
|
@blobdata[($#blobdata+1)/2..$#blobdata]);
|
|
}
|
|
} else {
|
|
push @toret, "undecoded data", unpack "H*", pack "C*", @$data;
|
|
}
|
|
return @toret;
|
|
};
|
|
|
|
sub parse_signature {
|
|
my ($blob, $keytype) = @_;
|
|
my $data = [ unpack "C*", $blob ];
|
|
my @toret;
|
|
if ($keytype eq "ssh-rsa") {
|
|
my ($type, $s) = &parse("ss", $data);
|
|
push @toret, "sig type", $type;
|
|
push @toret, "s", &format_unsigned_hex_integer(unpack "C*", $s);
|
|
} elsif ($keytype eq "ssh-dss") {
|
|
my ($type, $subblob) = &parse("ss", $data);
|
|
push @toret, "sig type", $type;
|
|
push @toret, "r", &format_unsigned_hex_integer(
|
|
unpack "C*", substr($subblob, 0, 20));
|
|
push @toret, "s", &format_unsigned_hex_integer(
|
|
unpack "C*", substr($subblob, 20, 40));
|
|
} elsif ($keytype eq "ssh-ed25519") {
|
|
my ($type, $rsblob) = &parse("ss", $data);
|
|
push @toret, "sig type", $type;
|
|
my @ry = unpack "C*", $rsblob;
|
|
my @sy = splice @ry, 32, 32;
|
|
push @toret, "hibit(r.x)", $ry[$#ry] & 1;
|
|
$ry[$#ry] &= ~1;
|
|
push @toret, "r.y & ~1", &format_unsigned_hex_integer(@ry);
|
|
push @toret, "hibit(s.x)", $sy[$#sy] & 1;
|
|
$sy[$#sy] &= ~1;
|
|
push @toret, "s.y & ~1", &format_unsigned_hex_integer(@sy);
|
|
} elsif ($keytype =~ m!^ecdsa-sha2-nistp(256|384|521)$!) {
|
|
my ($sigtype, $subblob) = &parse("ss", $data);
|
|
push @toret, "sig type", $sigtype;
|
|
my @sbdata = unpack "C*", $subblob;
|
|
my ($r, $s) = &parse("mm", \@sbdata);
|
|
push @toret, "r", $r, "s", $s;
|
|
} else {
|
|
push @toret, "undecoded data", unpack "H*", pack "C*", @$data;
|
|
}
|
|
return @toret;
|
|
};
|
|
|
|
sub stringescape {
|
|
my ($str) = @_;
|
|
$str =~ s!\\!\\\\!g;
|
|
$str =~ s![^ -~]!sprintf "\\x%02X", ord $&!eg;
|
|
return $str;
|
|
}
|