Updated deps

fuse_linux.go

@@ -1,3 +1,5 @@
 package squashfs
 
+import "github.com/CalebQ42/fuse"
+
 var ENODATA = fuse.ENODATA

go.mod

@@ -1,17 +1,14 @@
 module github.com/CalebQ42/squashfs
 
-go 1.19
+go 1.20
 
 require (
 	github.com/CalebQ42/fuse v0.1.0
-	github.com/klauspost/compress v1.15.12
+	github.com/klauspost/compress v1.16.4
 	github.com/pierrec/lz4/v4 v4.1.17
 	github.com/rasky/go-lzo v0.0.0-20200203143853-96a758eda86e
-	github.com/therootcompany/xz v1.0.1
-	github.com/ulikunitz/xz v0.5.10
-)
-
-require (
 	github.com/seaweedfs/fuse v1.2.2
-	golang.org/x/sys v0.6.0 // indirect
+	github.com/therootcompany/xz v1.0.1
+	github.com/ulikunitz/xz v0.5.11
+	golang.org/x/sys v0.7.0
 )

go.sum

@@ -1,7 +1,9 @@
 github.com/CalebQ42/fuse v0.1.0 h1:KLCNjun7zcd2kBNVFfH+SWJyhuwJdE0nhw5/q8K8HGQ=
 github.com/CalebQ42/fuse v0.1.0/go.mod h1:pJpoKG03HJKVhsp8o0YQYqmfbFsr3Eowt90yQGQVO+4=
-github.com/klauspost/compress v1.15.12 h1:YClS/PImqYbn+UILDnqxQCZ3RehC9N318SU3kElDUEM=
-github.com/klauspost/compress v1.15.12/go.mod h1:QPwzmACJjUTFsnSHH934V6woptycfrDDJnH7hvFVbGM=
+github.com/klauspost/compress v1.16.3 h1:XuJt9zzcnaz6a16/OU53ZjWp/v7/42WcR5t2a0PcNQY=
+github.com/klauspost/compress v1.16.3/go.mod h1:ntbaceVETuRiXiv4DpjP66DpAtAGkEQskQzEyD//IeE=
+github.com/klauspost/compress v1.16.4 h1:91KN02FnsOYhuunwU4ssRe8lc2JosWmizWa91B5v1PU=
+github.com/klauspost/compress v1.16.4/go.mod h1:ntbaceVETuRiXiv4DpjP66DpAtAGkEQskQzEyD//IeE=
 github.com/pierrec/lz4/v4 v4.1.17 h1:kV4Ip+/hUBC+8T6+2EgburRtkE9ef4nbY3f4dFhGjMc=
 github.com/pierrec/lz4/v4 v4.1.17/go.mod h1:gZWDp/Ze/IJXGXf23ltt2EXimqmTUXEy0GFuRQyBid4=
 github.com/rasky/go-lzo v0.0.0-20200203143853-96a758eda86e h1:dCWirM5F3wMY+cmRda/B1BiPsFtmzXqV9b0hLWtVBMs=
@@ -10,9 +12,9 @@ github.com/seaweedfs/fuse v1.2.2 h1:01l8OjIdyATRNqVc/gDPgFobuC8ubQF3hRKOPColROw=
 github.com/seaweedfs/fuse v1.2.2/go.mod h1:iwbDQv5BZACY54r6AO/6xsLNuMaYcBKSkLTZVfmK594=
 github.com/therootcompany/xz v1.0.1 h1:CmOtsn1CbtmyYiusbfmhmkpAAETj0wBIH6kCYaX+xzw=
 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/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
-golang.org/x/sys v0.2.0 h1:ljd4t30dBnAvMZaQCevtY0xLLD0A+bRZXbgLMLU1F/A=
-golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+github.com/ulikunitz/xz v0.5.11 h1:kpFauv27b6ynzBNT/Xy+1k+fK4WswhN/6PN5WhFAGw8=
+github.com/ulikunitz/xz v0.5.11/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
 golang.org/x/sys v0.6.0 h1:MVltZSvRTcU2ljQOhs94SXPftV6DCNnZViHeQps87pQ=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.7.0 h1:3jlCCIQZPdOYu1h8BkNvLz8Kgwtae2cagcG/VamtZRU=
+golang.org/x/sys v0.7.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

reader_file.go

@@ -6,6 +6,7 @@ import (
 	"io/fs"
 	"log"
 	"os"
+	"os/exec"
 	"path/filepath"
 	"strconv"
 	"strings"
@@ -146,6 +147,20 @@ func (f File) IsSymlink() bool {
 	return f.i.Type == inode.Sym || f.i.Type == inode.ESym
 }
 
+func (f File) isDeviceOrFifo() bool {
+	return f.i.Type == inode.Char || f.i.Type == inode.Block || f.i.Type == inode.EChar || f.i.Type == inode.EBlock || f.i.Type == inode.Fifo || f.i.Type == inode.EFifo
+}
+
+func (f File) deviceDevices() (maj uint32, min uint32) {
+	var dev uint32
+	if f.i.Type == inode.Char || f.i.Type == inode.Block {
+		dev = f.i.Data.(inode.Device).Dev
+	} else if f.i.Type == inode.EChar || f.i.Type == inode.EBlock {
+		dev = f.i.Data.(inode.EDevice).Dev
+	}
+	return dev >> 8, dev & 0x000FF
+}
+
 // SymlinkPath returns the symlink's target path. Is the File isn't a symlink, returns an empty string.
 func (f File) SymlinkPath() string {
 	switch f.i.Type {
@@ -232,7 +247,8 @@ func (f File) realExtract(folder string, op ExtractionOptions) error {
 		}
 		return err
 	}
-	if f.IsDir() {
+	switch {
+	case f.IsDir():
 		filFS, _ := f.FS()
 		var ents []directory.Entry
 		ents, err = f.r.readDirectory(f.i)
@@ -276,8 +292,7 @@ func (f File) realExtract(folder string, op ExtractionOptions) error {
 				return err
 			}
 		}
-		return nil
-	} else if f.IsRegular() {
+	case f.IsRegular():
 		var fil *os.File
 		fil, err = os.Create(folder + "/" + f.e.Name)
 		if os.IsExist(err) {
@@ -302,8 +317,7 @@ func (f File) realExtract(folder string, op ExtractionOptions) error {
 			}
 			return err
 		}
-		return nil
-	} else if f.IsSymlink() {
+	case f.IsSymlink():
 		symPath := f.SymlinkPath()
 		if op.DereferenceSymlink {
 			fil := f.GetSymlinkFile()
@@ -350,7 +364,40 @@ func (f File) realExtract(folder string, op ExtractionOptions) error {
 			}
 			return err
 		}
-		return nil
+	case f.isDeviceOrFifo():
+		_, err = exec.LookPath("mknod")
+		if err != nil {
+			if op.Verbose {
+				log.Println("Extracting Fifo IPC or Device and mknod is not in PATH")
 			}
+			return err
+		}
+		var typ string
+		if f.i.Type == inode.Char || f.i.Type == inode.EChar {
+			typ = "c"
+		} else if f.i.Type == inode.Block || f.i.Type == inode.EBlock {
+			typ = "b"
+		} else { //Fifo IPC
+			typ = "p"
+		}
+		cmd := exec.Command("mknod", folder+"/"+f.e.Name, typ)
+		if typ != "p" {
+			maj, min := f.deviceDevices()
+			cmd.Args = append(cmd.Args, strconv.Itoa(int(maj)), strconv.Itoa(int(min)))
+		}
+		if op.Verbose {
+			cmd.Stdout = op.LogOutput
+			cmd.Stderr = op.LogOutput
+		}
+		err = cmd.Run()
+		if err != nil {
+			if op.Verbose {
+				log.Println("Error while running mknod for", folder+"/"+f.e.Name)
+			}
+			return err
+		}
+	default:
 		return errors.New("Unsupported file type. Inode type: " + strconv.Itoa(int(f.i.Type)))
 	}
+	return nil
+}