1 Commits
Author SHA1 Message Date
sneak 10ad90ba22 Reject manifests whose file entries decode far larger than their bytes (closes #123)
check / check (push) Waiting to run
Parser fix: before decoding the manifest, the parser walks its file
entries and adds up what decoding sets aside for each entry, hash,
timestamp and MIME type, however short its encoding. It refuses the
manifest once that sum passes 8 times the decompressed size; manifests
mfer writes come to at most about 7.15 times. Empty entries decoded to
about 50 times their size, so a manifest of under 1 KB allocated about
500 MB. A test refuses entries counted at just over 8 times and loads
them at just under. The fuzz target's ceiling rises from 16 to 20 times
the input and decompressed data, and seeds of empty entries and of
empty hashes fail it without the fix.

Model: opus-5-5
2026-10-04 07:38:09 +00:00
10 changed files with 263 additions and 52 deletions
-2
View File
@@ -75,7 +75,5 @@ RUN version="${VERSION:-$(git describe --tags --always)}"; \
RUN ldd /mfer 2>&1 | grep -q 'not a dynamic executable' RUN ldd /mfer 2>&1 | grep -q 'not a dynamic executable'
FROM scratch FROM scratch
# scratch has no CA certificates; fetch needs them to verify HTTPS servers.
COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
COPY --from=builder /mfer /mfer COPY --from=builder /mfer /mfer
ENTRYPOINT ["/mfer"] ENTRYPOINT ["/mfer"]
+3 -1
View File
@@ -49,7 +49,9 @@ The `innerMessage` field is compressed with
enforce a decompression size limit to prevent decompression bombs. The reference enforce a decompression size limit to prevent decompression bombs. The reference
implementation limits decompressed size to 256 MB. It writes zstd frames with a implementation limits decompressed size to 256 MB. It writes zstd frames with a
window of at most 8 MiB, the largest window the zstd format recommends decoders window of at most 8 MiB, the largest window the zstd format recommends decoders
support, and refuses frames that ask for a larger one. support, and refuses frames that ask for a larger one. It also refuses an inner
message whose file entries, hashes, timestamps and MIME types, counted at 160,
112, 64 and 16 bytes each, add up to more than 8 times its size.
## Inner Message (`MFFile`) ## Inner Message (`MFFile`)
+23
View File
@@ -17,4 +17,27 @@ const (
// uuidLength is the length in bytes of a binary UUID. // uuidLength is the length in bytes of a binary UUID.
uuidLength = 16 uuidLength = 16
// Numbers in mf.proto of MFFile.files and of the MFFilePath fields
// that decoding sets aside a fixed amount of memory for.
filesFieldNumber = 101
hashesFieldNumber = 3
mimeTypeFieldNumber = 301
mtimeFieldNumber = 302
ctimeFieldNumber = 303
// Bytes decoding sets aside for each file entry, hash, timestamp and
// MIME type, however short its encoding. checkDecodedSize refuses an
// inner message for which these add up to more than maxDecodedGrowth
// times its size.
decodedFileEntrySize = 160
decodedHashSize = 112
decodedTimestampSize = 64
decodedMIMETypeSize = 16
// Each file entry mfer writes holds a path of at least one byte, a
// 34-byte SHA-256 multihash and a modification time: at least 47 bytes,
// counted at 336. So its manifests add up to at most about 7.15 times
// their size, and this limit is about 12% above that.
maxDecodedGrowth = 8
) )
+87
View File
@@ -11,6 +11,7 @@ import (
"github.com/google/uuid" "github.com/google/uuid"
"github.com/klauspost/compress/zstd" "github.com/klauspost/compress/zstd"
"github.com/spf13/afero" "github.com/spf13/afero"
"google.golang.org/protobuf/encoding/protowire"
"google.golang.org/protobuf/proto" "google.golang.org/protobuf/proto"
"sneak.berlin/go/mfer/internal/bork" "sneak.berlin/go/mfer/internal/bork"
"sneak.berlin/go/mfer/internal/log" "sneak.berlin/go/mfer/internal/log"
@@ -27,6 +28,8 @@ var (
errUUIDMismatch = errors.New("outer and inner UUID mismatch") errUUIDMismatch = errors.New("outer and inner UUID mismatch")
errInvalidFileFormat = errors.New("invalid file format") errInvalidFileFormat = errors.New("invalid file format")
errInvalidManifestPath = errors.New("manifest contains invalid path") errInvalidManifestPath = errors.New("manifest contains invalid path")
errDecodedTooLarge = errors.New(
"manifest would take too much memory to decode")
) )
// validateUUID checks that the byte slice is a valid UUID (16 bytes, parseable). // validateUUID checks that the byte slice is a valid UUID (16 bytes, parseable).
@@ -154,6 +157,85 @@ func (m *manifest) decompressInner() ([]byte, error) {
return dat, nil return dat, nil
} }
// checkDecodedSize refuses an encoded inner message whose file entries,
// hashes, timestamps and MIME types would take more than maxDecodedGrowth
// times its size to decode. Decoding sets aside a fixed amount for each,
// however short its encoding, so a message of empty ones would take about
// 50 times its size.
func checkDecodedSize(inner []byte) error {
limit := maxDecodedGrowth * int64(len(inner))
var decoded int64
add := func(size int64) error {
decoded += size
if decoded > limit {
return errDecodedTooLarge
}
return nil
}
return forEachBytesField(inner, func(num protowire.Number, entry []byte) error {
if num != filesFieldNumber {
return nil
}
err := add(decodedFileEntrySize)
if err != nil {
return err
}
return forEachBytesField(entry, func(num protowire.Number, _ []byte) error {
if num == hashesFieldNumber {
return add(decodedHashSize)
}
if num == mtimeFieldNumber || num == ctimeFieldNumber {
return add(decodedTimestampSize)
}
if num == mimeTypeFieldNumber {
return add(decodedMIMETypeSize)
}
return nil
})
})
}
// forEachBytesField calls fn with the number and value of each
// length-delimited field in the encoded message msg, and fails if msg is
// malformed.
func forEachBytesField(
msg []byte, fn func(num protowire.Number, value []byte) error,
) error {
for len(msg) > 0 {
num, wireType, tagLen := protowire.ConsumeTag(msg)
if tagLen < 0 {
return protowire.ParseError(tagLen)
}
valueLen := protowire.ConsumeFieldValue(num, wireType, msg[tagLen:])
if valueLen < 0 {
return protowire.ParseError(valueLen)
}
if wireType == protowire.BytesType {
value, _ := protowire.ConsumeBytes(msg[tagLen:])
err := fn(num, value)
if err != nil {
return err
}
}
msg = msg[tagLen+valueLen:]
}
return nil
}
func (m *manifest) deserializeInner() error { func (m *manifest) deserializeInner() error {
err := m.validateOuterHeader() err := m.validateOuterHeader()
if err != nil { if err != nil {
@@ -177,6 +259,11 @@ func (m *manifest) deserializeInner() error {
return bork.ErrFileTruncated return bork.ErrFileTruncated
} }
err = checkDecodedSize(dat)
if err != nil {
return fmt.Errorf("deserialize: unmarshal inner: %w", err)
}
// Deserialize inner message // Deserialize inner message
m.pbInner = new(MFFile) m.pbInner = new(MFFile)
+11 -5
View File
@@ -54,9 +54,14 @@ func FuzzNewManifestFromReader(f *testing.F) {
} }
// It also keeps a few copies of its input. Buffers grow by // It also keeps a few copies of its input. Buffers grow by
// copying, so reaching those sizes allocates a few times them in // copying, so reaching those sizes allocates up to about six times
// total: sixteen times the input and the decompressed data leaves // them in total. Decoding the decompressed data takes up to
// room for that. // maxDecodedGrowth times its size for file entries, hashes,
// timestamps and MIME types, and up to about five times more for
// the bytes it copies out of it, such as fields it does not know,
// which it keeps in buffers that also grow by copying. Twenty
// times the input and the decompressed data leaves room for all of
// that.
// //
// The decoder also sets aside a new buffer of one to two times the // The decoder also sets aside a new buffer of one to two times the
// window for each frame that asks for a larger window than the // window for each frame that asks for a larger window than the
@@ -71,8 +76,9 @@ func FuzzNewManifestFromReader(f *testing.F) {
// fails if the decoder accepts windows of twice zstdWindowSize; the // fails if the decoder accepts windows of twice zstdWindowSize; the
// seed whose two frames together exceed MaxDecompressedSize fails // seed whose two frames together exceed MaxDecompressedSize fails
// if the decoder decodes them in full instead of stopping at the // if the decoder decodes them in full instead of stopping at the
// declared size. // declared size; the seeds of empty file entries and of a file
limit := 16*(uint64(len(data))+decompressed) + 24*zstdWindowSize // entry of empty hashes fail if the parser decodes them.
limit := 20*(uint64(len(data))+decompressed) + 24*zstdWindowSize
allocated := after.TotalAlloc - before.TotalAlloc allocated := after.TotalAlloc - before.TotalAlloc
if allocated > limit { if allocated > limit {
+80
View File
@@ -6,7 +6,10 @@ import (
"context" "context"
"crypto/sha256" "crypto/sha256"
"fmt" "fmt"
"strconv"
"strings"
"testing" "testing"
"time"
"github.com/google/uuid" "github.com/google/uuid"
"github.com/klauspost/compress/zstd" "github.com/klauspost/compress/zstd"
@@ -114,6 +117,83 @@ func TestDeserializeRejectsInvalidEntryPaths(t *testing.T) {
} }
} }
// Entries of a path, an empty hash, an empty MIME type and empty modification
// and change times are counted at 416 bytes each (160 + 112 + 16 + 64 + 64)
// and take 16 bytes plus the path to encode. A 35-character path makes that
// 51 bytes, about 8.2 times: refused, and leaving any one of the five
// uncounted, even the MIME type, brings it under 8. A 37-character path makes
// it 53 bytes, about 7.8 times: loaded.
func TestDeserializeRefusesEntriesThatDecodeTooLarge(t *testing.T) {
t.Parallel()
tests := []struct {
pathLen int
refused bool
}{
{35, true},
{37, false},
}
for _, tt := range tests {
t.Run(strconv.Itoa(tt.pathLen), func(t *testing.T) {
t.Parallel()
entry := protowire.AppendTag(nil, 1, protowire.BytesType) // MFFilePath.path
entry = protowire.AppendString(entry, strings.Repeat("a", tt.pathLen))
entry = protowire.AppendTag(entry, 3, protowire.BytesType) // MFFilePath.hashes
entry = protowire.AppendBytes(entry, nil)
entry = protowire.AppendTag(entry, 301, protowire.BytesType) // MFFilePath.mimeType
entry = protowire.AppendBytes(entry, nil)
entry = protowire.AppendTag(entry, 302, protowire.BytesType) // MFFilePath.mtime
entry = protowire.AppendBytes(entry, nil)
entry = protowire.AppendTag(entry, 303, protowire.BytesType) // MFFilePath.ctime
entry = protowire.AppendBytes(entry, nil)
id := uuid.New()
inner := protowire.AppendTag(nil, 102, protowire.BytesType) // MFFile.uuid
inner = protowire.AppendBytes(inner, id[:])
for range 1000 {
inner = protowire.AppendTag(inner, 101, protowire.BytesType) // MFFile.files
inner = protowire.AppendBytes(inner, entry)
}
_, err := NewManifestFromReader(bytes.NewReader(wrapInner(t, id, inner)))
if tt.refused {
require.ErrorIs(t, err, errDecodedTooLarge)
} else {
require.NoError(t, err)
}
})
}
}
// Many empty files with names of at most three characters and modification
// times at the epoch make about the densest manifest mfer writes: it takes
// about 7 times its size to decode, and still loads. A signature would not
// change the inner message, so none is added.
func TestDeserializeLoadsDensestManifest(t *testing.T) {
t.Parallel()
hash := make([]byte, 34) // multihash: 2-byte prefix + 32-byte SHA-256
b := NewBuilder()
b.SetIncludeTimestamps(true)
const files = 10000
for i := range files {
name := RelFilePath(strconv.FormatInt(int64(i), 36))
require.NoError(t, b.AddFileWithHash(name, 0, ModTime(time.Unix(0, 0)), hash))
}
var buf bytes.Buffer
require.NoError(t, b.Build(context.Background(), &buf))
m, err := NewManifestFromReader(&buf)
require.NoError(t, err)
assert.Len(t, m.Files(), files)
}
func TestDeserializeValidManifestRoundTrips(t *testing.T) { func TestDeserializeValidManifestRoundTrips(t *testing.T) {
t.Parallel() t.Parallel()
+24 -40
View File
@@ -10,7 +10,6 @@ import (
"path/filepath" "path/filepath"
"strconv" "strconv"
"strings" "strings"
"syscall"
"testing" "testing"
"time" "time"
@@ -426,51 +425,36 @@ func TestGPGTimeoutKillsGPG(t *testing.T) {
assert.Contains(t, err.Error(), "gpg sign failed: gpg timed out") assert.Contains(t, err.Error(), "gpg sign failed: gpg timed out")
} }
// TestGPGCancelWhenChildHoldsOutput uses a fake gpg that runs sleep as a // TestGPGTimeoutWhenChildHoldsOutput uses a fake gpg that runs sleep as a
// child instead of exec-ing it, the way a wrapper script around the real // child instead of exec-ing it, the way a wrapper script around the real
// gpg might. Killing the fake gpg leaves sleep holding its stdout and // gpg might. Killing the fake gpg leaves sleep holding its stdout and
// stderr open; the call must still return once ctx ends instead of waiting // stderr open; the call must still return shortly after the deadline
// for sleep to exit. The fake gpg writes the process ID of sleep to a named // instead of waiting for sleep to exit. The fake gpg writes the process ID
// pipe; the test ends ctx only after reading it, so sleep is running by // of sleep to a file so that the test can kill it before returning.
// then, and kills sleep before returning. func TestGPGTimeoutWhenChildHoldsOutput(t *testing.T) {
func TestGPGCancelWhenChildHoldsOutput(t *testing.T) { pidFile := filepath.Join(t.TempDir(), "sleep.pid")
pidPipe := filepath.Join(t.TempDir(), "sleep.pid")
require.NoError(t, syscall.Mkfifo(pidPipe, 0o600))
// sleep outlasts the 10 s wait below, so a call that waits for it fails.
t.Setenv("PATH", fakeGPGPath(t, t.Setenv("PATH", fakeGPGPath(t,
"#!/bin/sh\nsleep 60 &\necho $! >'"+pidPipe+"'\nwait\n")) "#!/bin/sh\nsleep 3 &\necho $! >'"+pidFile+"'\nwait\n"))
t.Cleanup(func() {
pid, err := os.ReadFile(pidFile) //nolint:gosec // G304: path inside t.TempDir()
require.NoError(t, err)
ctx, cancel := context.WithCancel(context.Background()) n, err := strconv.Atoi(strings.TrimSpace(string(pid)))
require.NoError(t, err)
sleep, err := os.FindProcess(n)
require.NoError(t, err)
require.NoError(t, sleep.Kill())
})
ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond)
defer cancel() defer cancel()
signErr := make(chan error, 1) start := time.Now()
_, err := gpgSign(ctx, []byte("data"), GPGKeyID("any"))
go func() { require.ErrorIs(t, err, context.DeadlineExceeded)
_, err := gpgSign(ctx, []byte("data"), GPGKeyID("any")) assert.Less(t, time.Since(start), 3*time.Second,
signErr <- err "the call waited for the child holding gpg's output to exit")
}()
pid, err := os.ReadFile(pidPipe) //nolint:gosec // G304: path inside t.TempDir()
require.NoError(t, err)
n, err := strconv.Atoi(strings.TrimSpace(string(pid)))
require.NoError(t, err)
sleep, err := os.FindProcess(n)
require.NoError(t, err)
t.Cleanup(func() { require.NoError(t, sleep.Kill()) })
cancel()
// The call should return about gpgWaitDelay (one second) after the
// cancel. 10 s is far above that and well under the 30 s test timeout,
// which would abort the whole package before the cleanup kills sleep.
select {
case err := <-signErr:
require.ErrorIs(t, err, context.Canceled)
case <-time.After(10 * time.Second):
t.Fatal("the call waited for the child holding gpg's output to exit")
}
} }
// TestBuildPassesContextToSigning checks that a caller can cancel the gpg // TestBuildPassesContextToSigning checks that a caller can cancel the gpg
+31 -4
View File
@@ -304,19 +304,46 @@ func TestScannerEnumerateFS(t *testing.T) {
func TestSendEnumerateStatusNonBlocking(t *testing.T) { func TestSendEnumerateStatusNonBlocking(t *testing.T) {
t.Parallel() t.Parallel()
// Nobody receives, so a blocking send would hang the test into its timeout. // Channel with no buffer - send should not block
ch := make(chan EnumerateStatus) ch := make(chan EnumerateStatus)
sendEnumerateStatus(ch, EnumerateStatus{FilesFound: 1}) // This should not block
done := make(chan bool)
go func() {
sendEnumerateStatus(ch, EnumerateStatus{FilesFound: 1})
done <- true
}()
select {
case <-done:
// Success - did not block
case <-time.After(100 * time.Millisecond):
t.Fatal("sendEnumerateStatus blocked on full channel")
}
} }
func TestSendScanStatusNonBlocking(t *testing.T) { func TestSendScanStatusNonBlocking(t *testing.T) {
t.Parallel() t.Parallel()
// Nobody receives, so a blocking send would hang the test into its timeout. // Channel with no buffer - send should not block
ch := make(chan ScanStatus) ch := make(chan ScanStatus)
sendScanStatus(ch, ScanStatus{ScannedFiles: 1}) done := make(chan bool)
go func() {
sendScanStatus(ch, ScanStatus{ScannedFiles: 1})
done <- true
}()
select {
case <-done:
// Success - did not block
case <-time.After(100 * time.Millisecond):
t.Fatal("sendScanStatus blocked on full channel")
}
} }
func TestSendStatusNilChannel(t *testing.T) { func TestSendStatusNilChannel(t *testing.T) {
@@ -0,0 +1,2 @@
go test fuzz v1
[]byte("ZNAVSRFG\xa8\x06\x01\xb0\x06\x01\xb8\x06\xff\xff\xff\x03\xc2\x06 {\x16\xbdu\xa0\xa2\x11\xfcH\xef*\x1b7\r\x99\xefb\x04\x02g\n\xa9\xf3B5\xe5p\x96\x8c\x8c\xac\x0e\xca\x06\x10\x03Q\xb2\xd0\x19`F\xc1\xb1\xc0Z\xf4x\xf4g^\xba\f\xa1\x06(\xb5/\xfd\x04h\x04\x01\x00d\x01\xb2\x06\x10\x03Q\xb2\xd0\x19`F\xc1\xb1\xc0Z\xf4x\xf4g^\xaa\x06\x00\x01T\x13\x024\xce\xff\rL\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15M\x00\x00\x00\x01T\x00\x044\xfc\xff\x153\xea\a\xb4")
@@ -0,0 +1,2 @@
go test fuzz v1
[]byte("ZNAVSRFG\xa8\x06\x01\xb0\x06\x01\xb8\x06\xff\xff\xff\x03\xc2\x06 .\xcd\x11|0\xfcP\xe5\x1b\xe3\xc6Ӡ\xcdڤx\xcd\x169t\x1a9~ǽB\xc9\xe8G`\x05\xca\x06\x10\x11*!\x0e\x95EF\xb8\xbd\x9f\xde\x12MF\r\x99\xba\f\xa6\x06(\xb5/\xfd\x04h,\x01\x00\xb4\x01\xb2\x06\x10\x11*!\x0e\x95EF\xb8\xbd\x9f\xde\x12MF\r\x99\xaa\x06\xe6\xff\xff\x03\x1a\x00\x01T\x14\x024\x8b\xff\x17L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15L\x00\x00\x00\x01T\x00\x044\xfd\xff\x15M\x00\x00\x00\x01T\x00\x044\xfc\xff\x15\x02\xd1.\xe3")