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This commit is contained in:
Caleb Gardner
2022-08-26 05:01:17 -05:00
parent 3bf851852f
commit 7a22538623
4 changed files with 47 additions and 392 deletions
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exp_test.go
-303
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@@ -1,303 +0,0 @@
package squashfs
//A place for temporary, expiremental tests. Not meant for actual testing purposes.
import (
"fmt"
"io"
"net/http"
"os"
"os/exec"
"strconv"
"testing"
"time"
goappimage "github.com/CalebQ42/GoAppImage"
)
const (
appImageURL = "https://github.com/srevinsaju/Firefox-Appimage/releases/download/firefox-v84.0.r20201221152838/firefox-84.0.r20201221152838-x86_64.AppImage"
appImageName = "firefox-84.0.r20201221152838-x86_64.AppImage"
squashfsURL = "https://darkstorm.tech/LinuxPATest.sfs"
squashfsName = "LinuxPATest.sfs"
)
func TestSquashfs(t *testing.T) {
wd, err := os.Getwd()
if err != nil {
t.Fatal(err)
}
squashFil, err := os.Open(wd + "/testing/" + squashfsName)
if os.IsNotExist(err) {
err = downloadTestSquash(wd + "/testing")
if err != nil {
t.Fatal(err)
}
squashFil, err = os.Open(wd + "/testing/" + squashfsName)
}
if err != nil {
t.Fatal(err)
}
rdr, err := NewReader(squashFil)
if err != nil {
t.Fatal(err)
}
os.RemoveAll(wd + "/testing/" + squashfsName + ".d")
op := DefaultOptions()
op.Verbose = true
err = rdr.ExtractWithOptions(wd+"/testing/"+squashfsName+".d", op)
if err != nil {
t.Fatal(err)
}
t.Fatal("No Problems")
}
func TestSquashfsFromReader(t *testing.T) {
resp, err := http.DefaultClient.Get(squashfsURL)
if err != nil {
t.Fatal(err)
}
defer resp.Body.Close()
rdr, err := NewReaderFromReader(resp.Body)
if err != nil {
t.Fatal(err)
}
os.RemoveAll("testing/" + squashfsName + ".d")
op := DefaultOptions()
op.Verbose = true
err = rdr.ExtractWithOptions("testing/"+squashfsName+".d", op)
if err != nil {
t.Fatal(err)
}
t.Fatal("No Problems")
}
func TestAppImage(t *testing.T) {
t.Parallel()
wd, err := os.Getwd()
if err != nil {
t.Fatal(err)
}
aiFil, err := os.Open(wd + "/testing/" + appImageName)
if os.IsNotExist(err) {
err = downloadTestAppImage(wd + "/testing")
if err != nil {
t.Fatal(err)
}
aiFil, err = os.Open(wd + "/testing/" + appImageName)
if err != nil {
t.Fatal(err)
}
} else if err != nil {
t.Fatal(err)
}
defer aiFil.Close()
stat, _ := aiFil.Stat()
ai := goappimage.NewAppImage(wd + "/testing/" + appImageName)
rdr, err := NewReader(io.NewSectionReader(aiFil, ai.Offset, stat.Size()-ai.Offset))
if err != nil {
t.Fatal(err)
}
os.RemoveAll(wd + "/testing/firefox")
op := DefaultOptions()
op.Verbose = true
err = rdr.ExtractWithOptions(wd+"/testing/firefox", op)
t.Fatal(err)
}
func TestUnsquashfs(t *testing.T) {
t.Parallel()
wd, err := os.Getwd()
if err != nil {
t.Fatal(err)
}
aiFil, err := os.Open(wd + "/testing/" + appImageName)
if os.IsNotExist(err) {
err = downloadTestAppImage(wd + "/testing")
if err != nil {
t.Fatal(err)
}
aiFil, err = os.Open(wd + "/testing/" + appImageName)
if err != nil {
t.Fatal(err)
}
} else if err != nil {
t.Fatal(err)
}
os.RemoveAll(wd + "/testing/unsquashFirefox")
os.RemoveAll(wd + "/testing/firefox")
ai := goappimage.NewAppImage(wd + "/testing/" + appImageName)
fmt.Println("Command:", "unsquashfs", "-d", wd+"/testing/unsquashFirefox", "-o", strconv.Itoa(int(ai.Offset)), aiFil.Name())
cmd := exec.Command("unsquashfs", "-d", wd+"/testing/unsquashFirefox", "-o", strconv.Itoa(int(ai.Offset)), aiFil.Name())
start := time.Now()
err = cmd.Run()
if err != nil {
t.Fatal(err)
}
fmt.Println(time.Since(start))
t.Fatal("HI")
}
func BenchmarkDragRace(b *testing.B) {
wd, err := os.Getwd()
if err != nil {
b.Fatal(err)
}
aiFil, err := os.Open(wd + "/testing/" + appImageName)
if os.IsNotExist(err) {
err = downloadTestAppImage(wd + "/testing")
if err != nil {
b.Fatal(err)
}
aiFil, err = os.Open(wd + "/testing/" + appImageName)
if err != nil {
b.Fatal(err)
}
} else if err != nil {
b.Fatal(err)
}
stat, _ := aiFil.Stat()
ai := goappimage.NewAppImage(wd + "/testing/" + appImageName)
os.RemoveAll(wd + "/testing/unsquashFirefox")
os.RemoveAll(wd + "/testing/firefox")
cmd := exec.Command("unsquashfs", "-d", wd+"/testing/unsquashFirefox", "-o", strconv.Itoa(int(ai.Offset)), aiFil.Name())
start := time.Now()
err = cmd.Run()
if err != nil {
b.Fatal(err)
}
unsquashTime := time.Since(start)
start = time.Now()
rdr, err := NewReader(io.NewSectionReader(aiFil, ai.Offset, stat.Size()-ai.Offset))
if err != nil {
b.Fatal(err)
}
err = rdr.ExtractTo(wd + "/testing/firefox")
if err != nil {
b.Fatal(err)
}
libTime := time.Since(start)
b.Log("Unsqushfs:", unsquashTime.Round(time.Millisecond))
b.Log("Library:", libTime.Round(time.Millisecond))
b.Log("unsquashfs is", strconv.FormatFloat(float64(libTime.Milliseconds())/float64(unsquashTime.Milliseconds()), 'f', 2, 64)+"x faster")
b.Error("STOP ALREADY!")
}
func downloadTestAppImage(dir string) error {
//seems to time out on slow connections. Might fix that at some point... or not. It's just a test...
os.Mkdir(dir, os.ModePerm)
appImage, err := os.Create(dir + "/" + appImageName)
if err != nil {
return err
}
defer appImage.Close()
check := http.Client{
CheckRedirect: func(r *http.Request, _ []*http.Request) error {
r.URL.Opaque = r.URL.Path
return nil
},
}
resp, err := check.Get(appImageURL)
if err != nil {
return err
}
defer resp.Body.Close()
_, err = io.Copy(appImage, resp.Body)
if err != nil {
return err
}
return nil
}
func downloadTestSquash(dir string) error {
//seems to time out on slow connections. Might fix that at some point... or not. It's just a test...
os.Mkdir(dir, os.ModePerm)
sfs, err := os.Create(dir + "/" + squashfsName)
if err != nil {
return err
}
defer sfs.Close()
check := http.Client{
CheckRedirect: func(r *http.Request, _ []*http.Request) error {
r.URL.Opaque = r.URL.Path
return nil
},
}
resp, err := check.Get(squashfsURL)
if err != nil {
return err
}
defer resp.Body.Close()
_, err = io.Copy(sfs, resp.Body)
if err != nil {
return err
}
return nil
}
func TestCreateSquashFromAppImage(t *testing.T) {
wd, err := os.Getwd()
if err != nil {
t.Fatal(err)
}
err = os.Mkdir(wd+"/testing", 0777)
if err != nil && !os.IsExist(err) {
t.Fatal(err)
}
_, err = os.Open(wd + "/testing/" + appImageName)
if os.IsNotExist(err) {
err = downloadTestAppImage(wd + "/testing")
if err != nil {
t.Fatal(err)
}
_, err = os.Open(wd + "/testing/" + appImageName)
if err != nil {
t.Fatal(err)
}
} else if err != nil {
t.Fatal(err)
}
ai := goappimage.NewAppImage(wd + "/testing/" + appImageName)
aiFil, err := os.Open(wd + "/testing/" + appImageName)
if err != nil {
t.Fatal(err)
}
defer aiFil.Close()
aiFil.Seek(ai.Offset, 0)
os.Remove(wd + "/testing/" + appImageName + ".squashfs")
aiSquash, err := os.Create(wd + "/testing/" + appImageName + ".squashfs")
if err != nil {
t.Fatal(err)
}
_, err = io.Copy(aiSquash, aiFil)
if err != nil {
t.Fatal(err)
}
}
func TestSTUFF(t *testing.T) {
t.Parallel()
wd, err := os.Getwd()
if err != nil {
t.Fatal(err)
}
aiFil, err := os.Open(wd + "/testing/" + squashfsName)
if err != nil {
t.Fatal(err)
}
defer aiFil.Close()
rdr, err := NewReader(aiFil)
if err != nil {
t.Fatal(err)
}
os.Remove(wd + "/testing/test.ini")
testOut, _ := os.Create(wd + "/testing/test.ini")
testFil, err := rdr.Open("Documents/Pictures/Desktop.ini")
if err != nil {
t.Fatal(err)
}
_, err = io.Copy(testOut, testFil)
if err != nil {
t.Fatal(err)
}
}
go.mod
+2 -9
View File
@@ -1,18 +1,11 @@
module github.com/CalebQ42/squashfs module github.com/CalebQ42/squashfs
go 1.18 go 1.19
require ( require (
github.com/CalebQ42/GoAppImage v0.5.0 github.com/klauspost/compress v1.15.9
github.com/klauspost/compress v1.15.6
github.com/pierrec/lz4/v4 v4.1.15 github.com/pierrec/lz4/v4 v4.1.15
github.com/rasky/go-lzo v0.0.0-20200203143853-96a758eda86e github.com/rasky/go-lzo v0.0.0-20200203143853-96a758eda86e
github.com/therootcompany/xz v1.0.1 github.com/therootcompany/xz v1.0.1
github.com/ulikunitz/xz v0.5.10 github.com/ulikunitz/xz v0.5.10
) )
require (
github.com/adrg/xdg v0.2.2 // indirect
go.lsp.dev/uri v0.3.0 // indirect
gopkg.in/ini.v1 v1.62.0 // indirect
)
go.sum
+2 -41
View File
@@ -1,49 +1,10 @@
github.com/CalebQ42/GoAppImage v0.5.0 h1:znoKNXtliH754tS9sYwyOIg/0wFDjFN5Twc7PAh1rSM= github.com/klauspost/compress v1.15.9 h1:wKRjX6JRtDdrE9qwa4b/Cip7ACOshUI4smpCQanqjSY=
github.com/CalebQ42/GoAppImage v0.5.0/go.mod h1:qHudJKAn/dlkNWNnH4h1YKXp29EZ7Bppsn7sNP2HuvU= github.com/klauspost/compress v1.15.9/go.mod h1:PhcZ0MbTNciWF3rruxRgKxI5NkcHHrHUDtV4Yw2GlzU=
github.com/adrg/xdg v0.2.2 h1:A7ZHKRz5KGOLJX/bg7IPzStryhvCzAE1wX+KWawPiAo=
github.com/adrg/xdg v0.2.2/go.mod h1:7I2hH/IT30IsupOpKZ5ue7/qNi3CoKzD6tL3HwpaRMQ=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
github.com/klauspost/compress v1.15.6 h1:6D9PcO8QWu0JyaQ2zUMmu16T1T+zjjEpP91guRsvDfY=
github.com/klauspost/compress v1.15.6/go.mod h1:PhcZ0MbTNciWF3rruxRgKxI5NkcHHrHUDtV4Yw2GlzU=
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
github.com/pierrec/lz4/v4 v4.1.15 h1:MO0/ucJhngq7299dKLwIMtgTfbkoSPF6AoMYDd8Q4q0= github.com/pierrec/lz4/v4 v4.1.15 h1:MO0/ucJhngq7299dKLwIMtgTfbkoSPF6AoMYDd8Q4q0=
github.com/pierrec/lz4/v4 v4.1.15/go.mod h1:gZWDp/Ze/IJXGXf23ltt2EXimqmTUXEy0GFuRQyBid4= github.com/pierrec/lz4/v4 v4.1.15/go.mod h1:gZWDp/Ze/IJXGXf23ltt2EXimqmTUXEy0GFuRQyBid4=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/rasky/go-lzo v0.0.0-20200203143853-96a758eda86e h1:dCWirM5F3wMY+cmRda/B1BiPsFtmzXqV9b0hLWtVBMs= github.com/rasky/go-lzo v0.0.0-20200203143853-96a758eda86e h1:dCWirM5F3wMY+cmRda/B1BiPsFtmzXqV9b0hLWtVBMs=
github.com/rasky/go-lzo v0.0.0-20200203143853-96a758eda86e/go.mod h1:9leZcVcItj6m9/CfHY5Em/iBrCz7js8LcRQGTKEEv2M= github.com/rasky/go-lzo v0.0.0-20200203143853-96a758eda86e/go.mod h1:9leZcVcItj6m9/CfHY5Em/iBrCz7js8LcRQGTKEEv2M=
github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=
github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIKYqbNC9s=
github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/therootcompany/xz v1.0.1 h1:CmOtsn1CbtmyYiusbfmhmkpAAETj0wBIH6kCYaX+xzw= github.com/therootcompany/xz v1.0.1 h1:CmOtsn1CbtmyYiusbfmhmkpAAETj0wBIH6kCYaX+xzw=
github.com/therootcompany/xz v1.0.1/go.mod h1:3K3UH1yCKgBneZYhuQUvJ9HPD19UEXEI0BWbMn8qNMY= github.com/therootcompany/xz v1.0.1/go.mod h1:3K3UH1yCKgBneZYhuQUvJ9HPD19UEXEI0BWbMn8qNMY=
github.com/ulikunitz/xz v0.5.10 h1:t92gobL9l3HE202wg3rlk19F6X+JOxl9BBrCCMYEYd8= github.com/ulikunitz/xz v0.5.10 h1:t92gobL9l3HE202wg3rlk19F6X+JOxl9BBrCCMYEYd8=
github.com/ulikunitz/xz v0.5.10/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14= github.com/ulikunitz/xz v0.5.10/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
go.lsp.dev/uri v0.3.0 h1:KcZJmh6nFIBeJzTugn5JTU6OOyG0lDOo3R9KwTxTYbo=
go.lsp.dev/uri v0.3.0/go.mod h1:P5sbO1IQR+qySTWOCnhnK7phBx+W3zbLqSMDJNTw88I=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/ini.v1 v1.62.0 h1:duBzk771uxoUuOlyRLkHsygud9+5lrlGjdFBb4mSKDU=
gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
reader.go
+43 -39
View File
@@ -20,8 +20,8 @@ type Reader struct {
r io.ReaderAt r io.ReaderAt
fragEntries []fragEntry fragEntries []fragEntry
ids []uint32 ids []uint32
exportTable []uint64 // exportTable []uint64
s superblock s superblock
} }
var ( var (
@@ -30,6 +30,7 @@ var (
ErrorVersion = errors.New("squashfs version of archive is not 4.0") ErrorVersion = errors.New("squashfs version of archive is not 4.0")
) )
// The types of compression supported by squashfs
const ( const (
GZipCompression = uint16(iota + 1) GZipCompression = uint16(iota + 1)
LZMACompression LZMACompression
@@ -39,6 +40,7 @@ const (
ZSTDCompression ZSTDCompression
) )
// Creates a new squashfs.Reader from the given io.Reader. NOTE: All data from the io.Reader will be read and stored in memory.
func NewReaderFromReader(r io.Reader) (*Reader, error) { func NewReaderFromReader(r io.Reader) (*Reader, error) {
rdr, err := toreader.NewReaderAt(r) rdr, err := toreader.NewReaderAt(r)
if err != nil { if err != nil {
@@ -47,6 +49,7 @@ func NewReaderFromReader(r io.Reader) (*Reader, error) {
return NewReader(rdr) return NewReader(rdr)
} }
// Creates a new squashfs.Reader from the given io.ReaderAt.
func NewReader(r io.ReaderAt) (*Reader, error) { func NewReader(r io.ReaderAt) (*Reader, error) {
var squash Reader var squash Reader
squash.r = r squash.r = r
@@ -176,45 +179,46 @@ func NewReader(r io.ReaderAt) (*Reader, error) {
return &squash, nil return &squash, nil
} }
func (r *Reader) initExport() (err error) { // func (r *Reader) initExport() (err error) {
num := int(math.Ceil(float64(r.s.InodeCount) / 1024)) // num := int(math.Ceil(float64(r.s.InodeCount) / 1024))
offsets := make([]uint64, num) // offsets := make([]uint64, num)
err = binary.Read(toreader.NewReader(r.r, int64(r.s.ExportTableStart)), binary.LittleEndian, &offsets) // err = binary.Read(toreader.NewReader(r.r, int64(r.s.ExportTableStart)), binary.LittleEndian, &offsets)
if err != nil { // if err != nil {
return // return
} // }
left := r.s.InodeCount // left := r.s.InodeCount
var toRead uint32 // var toRead uint32
var new []uint64 // var new []uint64
var rdr *metadata.Reader // var rdr *metadata.Reader
for i := range offsets { // for i := range offsets {
rdr = metadata.NewReader(toreader.NewReader(r.r, int64(offsets[i])), r.d) // rdr = metadata.NewReader(toreader.NewReader(r.r, int64(offsets[i])), r.d)
toRead = uint32(math.Min(1024, float64(left))) // toRead = uint32(math.Min(1024, float64(left)))
new = make([]uint64, toRead) // new = make([]uint64, toRead)
err = binary.Read(rdr, binary.LittleEndian, &new) // err = binary.Read(rdr, binary.LittleEndian, &new)
if err != nil { // if err != nil {
return // return
} // }
left -= toRead // left -= toRead
r.exportTable = append(r.exportTable, new...) // r.exportTable = append(r.exportTable, new...)
} // }
return nil // return nil
} // }
func (r *Reader) inode(index uint32) (i inode.Inode, err error) { // func (r *Reader) inode(index uint32) (i inode.Inode, err error) {
if r.s.exportable() { // if r.s.exportable() {
if r.exportTable == nil { // if r.exportTable == nil {
err = r.initExport() // err = r.initExport()
if err != nil { // if err != nil {
return // return
} // }
} // }
return r.inodeFromRef(r.exportTable[index-1]) // return r.inodeFromRef(r.exportTable[index-1])
} // }
err = errors.New("archive is not exportable") // err = errors.New("archive is not exportable")
return // return
} // }
// Returns the last time the archive was modified.
func (r Reader) ModTime() time.Time { func (r Reader) ModTime() time.Time {
return time.Unix(int64(r.s.ModTime), 0) return time.Unix(int64(r.s.ModTime), 0)
} }